#include<bits/stdc++.h>
#define fo(s) freopen(s".in","r",stdin),freopen(s".out","w",stdout)
#define Ts template<typename Ty,typename... Ar>
#define Tp template<typename Ty>
#define ll long long
#define RS register
#define gc getchar
#define pc putchar
#define I inline
using namespace std;
Tp I Ty wmax(Ty a,Ty b){return a>=b? a:b;}
Tp I Ty wmin(Ty a,Ty b){return a<=b? a:b;}
namespace WrongIO
{
	Tp I void read(Ty &x){x=0;Ty opt=1;char c=gc();while(!isdigit(c)&&c!='-')c=gc();if(c=='-')opt=-1,c=gc();while(isdigit(c))x=(x<<3)+(x<<1),x+=c-'0',c=gc();x*=opt;return;}
	Tp I void write(Ty x){short OI_USE[50],OI_top=0;if(x<=0) if(x==0)pc('0');else pc('-'),x*=-1;while(x)OI_USE[++OI_top]=x%10,x/=10;while(OI_top--)pc(OI_USE[OI_top+1]+'0');return;}
    I void writec(char c[]){int len=strlen(c);for(int i=0;i<len;i++)pc(c[i]);}
    I void writes(string s){int len=s.length();for(int i=0;i<len;i++)pc(s[i]);}
    I void readc(char &c,int l,int r){c=gc(); while(c!=EOF&&(c<l||c>r)) c=gc();}
    I void readc(char &c,char val){c=gc();while(c!=EOF&&c!=val) c=gc();}
    I void readc(char val){char c;c=gc();while(c!=EOF&&c!=val) c=gc();}
    I void readls(string &s){char c=gc();while(c!='\n') s.push_back(c),c=gc();}
    Ts I void read(Ty &x,Ar &...y) {read(x),read(y...);}
} using namespace WrongIO;
ll T; bool ans;
ll L[100050],R[100050],n;
vector<ll> vt[100050];
void dfs(ll u)
{
	ll minx=-1,cf1=0;
	ll maxn=-1,cf2=0;
	for(ll v:vt[u])
	dfs(v);
	for(ll v:vt[u])
	{
		if(L[v]>minx) minx=L[v],cf1=0;
		else if(L[v]==minx) cf1=1;
		if(R[v]>maxn) maxn=R[v],cf2=0;
		else if(R[v]==maxn) cf2=1;
	}
	minx+=cf1==1? 1:0; maxn+=cf2==1? 1:0;
	if(vt[u].size())
	{
		if(L[u]==-1) L[u]=minx,R[u]=maxn;
		else if(!(minx<=L[u]&&R[u]<=maxn)) ans=0;
	}else
	{
		if(L[u]==-1) L[u]=0,R[u]=1e16;
	}
	return;
}
int main()
{
	read(T);
	while(T--)
	{
		read(n); for(int i=1;i<=n;i++) read(L[i]),R[i]=L[i],vt[i].clear();
		ll a,b; for(int i=1;i<n;i++) read(a,b),vt[a].push_back(b);
		ans=1; dfs(1); if(ans) writes("Reasonable\n"); else writes("Unreasonable\n");
	}
}