#include <bits/stdc++.h>

//#define int long long
#define LL long long
#define I ios::sync_with_stdio(false), cin.tie(0), cout.tie(0)
#define mem(a, v) memset(a, v, sizeof a)
#define re read()

const int N = 1e6 + 7, M = 16;

using namespace std;

inline LL read()
{
	int num = 0;char c;bool flag = false;
    while((c = getchar()) == ' ' || c == '\n' || c == '\r');
    if(c == '-') flag = true;else num = c - '0';
    while(isdigit(c = getchar())) num = num * 10 + c - '0';
    return (flag ? -1 : 1) * num;
} 

const int mod = 998244353, inf = 0x3f3f3f3f3f3fll;

int d, t;

int n, q;

int head[N], cnt;

int depth[N];

int jump[N][35], Log2[N];

struct Graph
{
	int to, nxt;
}edge[N << 1];

void init()
{
	cnt = 0;
	for (int i = 1; i <= n; i ++ )
	{
		head[i] = 0;
		depth[i] = 0;
		for (int p = 30; p >= 0; p -- )
			jump[i][p] = 0;
	}	
}

void add(int x, int y)
{
	edge[++ cnt].to = y, edge[cnt].nxt = head[x], head[x] = cnt;
}

void dfs(int u, int father)
{
	for (int i = head[u]; i; i = edge[i].nxt)
	{
		int j = edge[i].to;
		if (j == father) continue;
		depth[j] = depth[u] + 1;
		jump[j][0] = u;
		dfs(j, u);
	}
}

void Pre_For_LCA()
{
	for (int k = 1; k <= 30; k ++ )
		for (int i = 1; i <= n; i ++ )
			jump[i][k] = jump[jump[i][k - 1]][k - 1];
}

int Get_LCA(int x, int y)
{
	if (depth[x] < depth[y]) swap(x, y);
	for (int p = 30; p >= 0; p -- )
	{
		if (depth[jump[x][p]] >= depth[y]) x = jump[x][p];
	}
	if (x == y) return x;
	for (int p = 30; p >= 0; p -- )
	{
		if (jump[x][p] != jump[y][p]) x = jump[x][p], y = jump[y][p];
	}
	return jump[x][0];
}

signed main()
{
	I;
	
	d = re, t = re;
	while (t -- )
	{
		n = re, q = re;
		init();
		for (int i = 1; i < n; i ++ )
		{
			int u = re, v = re;
			add(u, v), add(v, u);
		}
		dfs(1, 1);//Get the father and depth
		Pre_For_LCA();
		while (q -- )
		{
			int a = re, b = re, da = re, db = re;
			int dist = depth[a] + depth[b] - 2 * depth[Get_LCA(a, b)];
			//Conclusion
			if (dist <= da) cout << "Zayin\n";
			else if (da > db) cout << "Zayin\n";
			else if (da < db) cout << "Ziyin\n";
			else cout << "Draw\n";//da = db 
		}
	}
}