#line 1 "a.cpp"
#include <iostream>
#include <vector>

int main() {
    auto solve = [&]() -> bool {
        int N, M, K;
        std::cin >> N >> M >> K;
        std::vector<std::vector<int>> G(N);
        for(int i = 0; i < M; i++) {
            int u, v;
            std::cin >> u >> v;
            u--, v--;
            G[u].push_back(v);
            G[v].push_back(u);
        }
        std::vector<int> B(N);
        for(int i = 0; i < N; i++) {
            std::cin >> B[i];
        }

        std::vector<int> S(2, 0);
        auto dfs = [&](auto dfs, int v, int p, int c) -> void {
            S[c] = (S[c] + B[v]) % K;
            for(int to : G[v]) {
                if(to != p) dfs(dfs, to, v, c ^ 1);
            }
        };
        dfs(dfs, 0, -1, 0);
        return S[0] == S[1];
    };

    int T;
    std::cin >> T;
    for(int t = 0; t < T; t++) {
        std::cout << (solve() ? "Yes" : "No") << std::endl;
    }
}