#include <cstdio>
#include <iostream>
#include <cstring>
using namespace std ;
int n , m , l ;
int fir[10010] , nxt[200010] ;
short zx[200010] ;
int bs ;
bool gb[200010] , fw[200010] ;
short col[10010] , co = 0 ;
short dfn[10010] , low[10010] , tim ;
short fir1[10010] , nxt1[20010] , zx1[20010] , bs1 ;
short sq[10010] , sz[10010] ;
short upz[10010] , upf[10010] , dnz[10010] , dnf[10010] ;
short q[10010] , z[10010] , ll ;
short fa[10010] , sd[10010] ;
short dp[25][10010] ;
void dfs( int wz , int fa )
{
	low[wz] = dfn[wz] = ++tim ;
//	cout<< wz << ' ' << fa << ' ' << dfn[wz] << endl ;
	for( int i = fir[wz] ; i != -1 ; i = nxt[i] )
	{
		if( zx[i] == fa ) continue ;
		if( dfn[zx[i]] == 0 )
		{
			dfs( zx[i] , wz ) ;
			low[wz] = min( low[wz] , low[zx[i]] ) ;
			if( low[zx[i]] > low[wz] )
			{
				gb[i] = gb[i ^ 1] = 1 ;
			}
		}
		else
		{
			low[wz] = min( low[wz] , dfn[zx[i]] ) ;
		}
	}
	return ;
}
void dfs1( int wz , int fa , int coo )
{
	col[wz] = coo ;
//	cout<< wz << ' ' << col[wz] << endl ;
	for( int i = fir[wz] ; i != -1 ; i = nxt[i] )
	{
		if( fw[i] == 1 ) continue ;
		if( zx[i] == fa ) continue ;
		if( gb[i] == 1 ) continue ;
		q[ll] = wz ;
		z[ll] = zx[i] ;
		ll ++ ;
		fw[i] = fw[i ^ 1] = 1 ;
		if( col[zx[i]] == 0 ) dfs1( zx[i] , wz , coo ) ;
	}
	return ;
}
bool lll = false ;
bool ff[10010] ;
void dfs2( int wz )
{
	if( wz == 0 ) lll = true ;
	if( ff[wz] )
	{
		cout<< wz << endl ;
		lll = true ;
		return ;
	}
	ff[wz] = 1 ;
	for( int i = fir1[wz] ; i != -1 ; i = nxt1[i] )
	{
		if( zx1[i] == fa[wz] ) continue ;
		fa[zx1[i]] = wz ;
		sd[zx1[i]] = sd[wz] + 1 ;
		dfs2( zx1[i] ) ;
	}
	return ;
}
void lca( int a , int b )
{
	int ta = a ;
	int tb = b ;
	if( sd[a] > sd[b] )
	{
		for( int i = 19 ; i >= 0 ; i -- )
		{
			if( dp[i][a] == -1 ) continue ;
			if( sd[dp[i][a]] > sd[b] )
			{
				a = dp[i][a] ;
			}
		}
		if( fa[a] == b )
		{
			upz[a] += 1 ;
			upf[ta] += -1 ;
//			cout<< 'U' << ta << ' ' << a << endl ;
			return ;
		}
		a = fa[a] ;
	}
	if( sd[b] > sd[a] )
	{
		for( int i = 19 ; i >= 0 ; i -- )
		{
			if( dp[i][b] == -1 ) continue ;
			if( sd[dp[i][b]] > sd[a] )
			{
				b = dp[i][b] ;
			}
		}
//	cout<< a << ' ' << b << endl ;
		if( fa[b] == a )
		{
			dnz[b] += 1 ;
			dnf[tb] += -1 ;
//			cout<< 'D' << tb << ' ' << b << endl ;
			return ;
		}
		b = fa[b] ;
	}
	for( int i = 19 ; i >= 0 ; i -- )
	{
		if( dp[i][a] != dp[i][b] )
		{
			a = dp[i][a] ;
			b = dp[i][b] ;
		}
	}
	upz[a] += 1 ;
	upf[ta] += -1 ;
	dnz[b] += 1 ;
	dnf[tb] += -1 ;
	return ;
}
bool flag = true ;
void dfs3( int wz , int ujs , int djs )
{
//	cout<< wz << ' ' << fa[wz] << ' ' << ujs << ' ' << djs << endl ;
	int uu , dd ;
	ujs += upf[wz] ;
	djs += dnf[wz] ;
	for( int i = fir1[wz] ; i != -1 ; i = nxt1[i] )
	{
		if( zx1[i] == fa[wz] ) continue ;
		uu = ujs + upz[zx1[i]] ;
		dd = djs + dnz[zx1[i]] ;
		if( uu > 0 && dd > 0 )
		{
			flag = false ;
			return ;
		}
		if( uu > 0 )
		{
			q[ll] = sz[i] ;
			z[ll] = sq[i] ;
			ll ++ ;
		}
		else
		{
			q[ll] = sq[i] ;
			z[ll] = sz[i] ;
			ll ++ ;
		}
		dfs3( zx1[i] , uu , dd ) ;
	}
	return ;
}
int main ()
{
	memset( fir , -1 , sizeof(fir) ) ;
	memset( fir1 , -1 , sizeof(fir1) ) ;
	int t1 , t2 ;
	scanf( "%d%d" , &n , &m ) ;
	for( int i = 0 ; i < m ; i ++ )
	{
		scanf( "%d%d" , &t1 , &t2 ) ;
		t1 -- ;
		t2 -- ;
		nxt[bs] = fir[t1] ;
		fir[t1] = bs ;
		zx[bs] = t2 ;
		bs ++ ;
		nxt[bs] = fir[t2] ;
		fir[t2] = bs ;
		zx[bs] = t1 ;
		bs ++ ;
	}
	dfs( 0 , -1 ) ;
	for( int i = 0 ; i < n ; i ++ )
	{
		if( col[i] == 0 ) dfs1( i , -1 , ++ co ) ;
	}
	for( int i = 0 ; i < n ; i ++ )
	{
		for( int j = fir[i] ; j != -1 ; j = nxt[j] )
		{
			if( gb[j] )
			{
				nxt1[bs1] = fir1[col[i]] ;
				fir1[col[i]] = bs1 ;
				zx1[bs1] = col[zx[j]] ;
				sq[bs1] = i ;
				sz[bs1] = zx[j] ;
				bs1 ++ ;
			}
		}
	}
	fa[1] = -1 ;
	dfs2( 1 ) ;
	if( lll ) return 0 ;
	for( int i = 1 ; i <= co ; i ++ )
	{
		dp[0][i] = fa[i] ;
//		cout<< dp[0][i] << ' ' ;
	}
//	cout<< endl ;
	for( int j = 1 ; j < 20 ; j ++ )
	{
		for( int i = 1 ; i <= co ; i ++ )
		{
			if( dp[j - 1][i] != -1 )
			{
				dp[j][i] = dp[j - 1][dp[j - 1][i]] ;
			}
		}
	}
	scanf( "%d" , &l ) ;
	for( int i = 0 ; i < l ; i ++ )
	{
		scanf( "%d%d" , &t1 , &t2 ) ;
		t1 -- ;
		t2 -- ;
		if( col[t1] == col[t2] ) continue ;
		lca( col[t1] , col[t2] ) ;
	}
//	cout<< 1111 << endl ;
	dfs3( 1 , 0 , 0 ) ;
	if( flag )
	{
		printf( "Yes\n" ) ;
	}
	else
	{
		printf( "No\n" ) ;
		return 0 ;
	}
	for( int i = 0 ; i < ll ; i ++ )
	{
		printf( "%d %d\n" , q[i] + 1 , z[i] + 1 ) ;
	}
	return 0 ;
}