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#include <iostream>

constexpr int MAX_N = 500000;
constexpr bool RED = false;
constexpr bool BLACK = true;


int t;
int n;

bool currentTree[MAX_N];
bool wantedTree[MAX_N];
int howManyConnections[MAX_N];

bool hasBranch;
bool hasWantedTreeDuplicate;
bool isAllBlack;
bool isWantedAllBlack;
bool isAllRed;
bool isWantedAllRed;

bool startsWithTheSameColor;

int numberOfChangesInCurrentTree;
int numberOfChangesInWantedTree;

void prepareVariables() {
	for (int i = 0; i < n; i++)
		howManyConnections[i] = 0;

	n = 0;
	hasBranch = false;
	hasWantedTreeDuplicate = false;
	isAllBlack = true;
	isWantedAllBlack = true;
	isAllRed = true;
	isWantedAllRed = true;

	startsWithTheSameColor = false;

	numberOfChangesInCurrentTree = 0;
	numberOfChangesInWantedTree = 0;
}

void solveForOne() {
	prepareVariables();
	std::cin >> n;

	std::string row;
	std::cin >> row;
	for (int i = 0; i < n; i++) {
		if (row[i] == '0') {
			currentTree[i] = RED;
			isAllBlack = false;
		}
		else {
			currentTree[i] = BLACK;
			isAllRed = false;
		}
	}

	std::cin >> row;
	for (int i = 0; i < n; i++) {
		if (row[i] == '0') {
			wantedTree[i] = RED;
			isWantedAllBlack = false;
		}
		else {
			wantedTree[i] = BLACK;
			isWantedAllRed = false;
		}
	}

	for (int i = 0; i < n - 1; i++) {
		int firstNode;
		int secondNode;
		std::cin >> firstNode;
		std::cin >> secondNode;
		firstNode--; // correct for indexes
		secondNode--; // correct for indexes

		howManyConnections[firstNode]++;
		howManyConnections[secondNode]++;

		if (howManyConnections[firstNode] > 2)
			hasBranch = true;
		if (howManyConnections[secondNode] > 2)
			hasBranch = true;

		if (currentTree[firstNode] != currentTree[secondNode]) {
			numberOfChangesInCurrentTree++;
		}

		if (wantedTree[firstNode] != wantedTree[secondNode]) {
			numberOfChangesInWantedTree++;
		}
		else {
			hasWantedTreeDuplicate = true;
		}
	}


	if (isAllBlack) {
		if (isWantedAllBlack) {
			std::cout << "TAK";
			return;
		}
		else {
			std::cout << "NIE";
			return;
		}
	}

	if (isAllRed) {
		if (isWantedAllRed) {
			std::cout << "TAK";
			return;
		}
		else {
			std::cout << "NIE";
			return;
		}
	}

	if (hasBranch) {
		if (hasWantedTreeDuplicate) {
			std::cout << "TAK";
			return;
		}
		//else
		//	std::cout << "NIE WIEM xd";
	}

	for (int i = 0; i < n; i++) {
		if (howManyConnections[i] == 1 && currentTree[i] == wantedTree[i]) {
			startsWithTheSameColor = true;
			break;
		}
	}


	if (numberOfChangesInWantedTree <= numberOfChangesInCurrentTree) {
		if (startsWithTheSameColor) {
			std::cout << "TAK";
			return;
		} else {
			if (numberOfChangesInWantedTree < numberOfChangesInCurrentTree) {
				std::cout << "TAK";
				return;
			}
			else {
				std::cout << "NIE";
				return;
			}
		}
	}

	std::cout << "NIE";
}

void solve() {
	std::cin >> t;
	for (int i = 0; i < t; i++) {
		solveForOne();
		if (i != t - 1)
			std::cout << std::endl;
	}
}

int main() {
	solve();
	return 0;
}