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#include<iostream>
#include<string>
#include<vector>
#include<algorithm>
#include<list>
using namespace std;

void dfs(vector<vector<int>>& adj, string& str, string& colors, int u, int parent) {
	char c = colors[u];
	if (str.empty() || str[str.size() - 1] != c) {
		str.push_back(c);
	}
	for (int i = 0; i < adj[u].size(); i++) {
		int v = adj[u][i];
		if (v != parent) {
			dfs(adj, str, colors, v, u);
		}
	}
}

bool cantwo(vector<vector<int>>& adj, string& colors) {
	bool two = false;
	for (int u = 0; u < adj.size(); u++) {
		for (int j = 0; j < adj[u].size(); j++) {
			int v = adj[u][j];
			if (colors[u] == colors[v]) {
				return true;
			}
		}
	}
	return false;
}

int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);

	int t, iter = 0;
	cin >> t;
	for (; t > 0; t--) {
		iter += 1;
		int n;
		cin >> n;
		string source, target;
		cin >> source >> target;
		int maxdeg = 1;
		int onedeg = -1;

		vector<vector<int>> adj(n);
		for (int i = 1; i < n; i++) {
			int u, v;
			cin >> u >> v;
			u -= 1;
			v -= 1;
			adj[u].push_back(v);
			adj[v].push_back(u);
			maxdeg = max(maxdeg, (int)adj[u].size());
			maxdeg = max(maxdeg, (int)adj[v].size());
			if (adj[u].size() == 1) onedeg = u;
			if (adj[v].size() == 1) onedeg = v;
		}
		for (int i = 0; i < n; i++) {
			if (adj[i].size() == 1) onedeg = i;
		}
		if (source == target) {
			cout << "TAK\n";
			continue;
		}
		if (n == 1) {
			if (source[0] == target[0]) {
				cout << "TAK\n";
			}
			else {
				cout << "NIE\n";
			}
			continue;
		}
		bool black_s = false, red_s = false;
		for (int i = 0; i < source.size(); i++) {
			if (source[i] == '1') {
				black_s = true;
			}
			else {
				red_s = true;
			}
		}
		bool black_t = false, red_t = false;
		for (int i = 0; i < target.size(); i++) {
			if (target[i] == '1') {
				black_t = true;
			}
			else {
				red_t = true;
			}
		}
		if (red_t && !red_s) {
			cout << "NIE\n";
			continue;
		}
		if (black_t && !black_s) {
			cout << "NIE\n";
			continue;
		}
		if (red_t && !red_s) {
			cout << "TAK\n";
			continue;
		}
		if (black_t && !black_s) {
			cout << "TAK\n";
			continue;
		}

		if (maxdeg >= 3) {
			bool two = cantwo(adj, target);
			if (two) {
				cout << "TAK\n";
			}
			else {
				cout << "NIE\n";
			}
		}
		else {
			string s;
			dfs(adj, s, source, onedeg, -1);
			string t;
			dfs(adj, t, target, onedeg, -1);
			size_t found = s.find(t);
			if (found != string::npos) {
				cout << "TAK\n";
			}
			else {
				cout << "NIE\n";
			}
		}
	}
	return 0;
}