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// C5 - Drzewa czerwono-czarne
#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;

	
struct Node {
	vector<int> edges;
	int color1;
	int color2;
	bool leaf;
	bool almostLeaf;
	bool possibleStart;
		
	Node(int c) {
		color1 = c;
		leaf = false;
		almostLeaf = false;
		possibleStart = false;
	}
};

int main() {
	int t, n, a, b;
	int colors1;
	int colors2;
	int start;
	int curr;
	int prev;
	int tmpPrev;
	char c;
	vector<Node> tree;
	
	cin >> t;
	for (int z = 0; z < t; ++z) {
		tree.clear();
		cin >> n;
		for (int i = 0; i < n; ++i) {
			cin >> c;
			tree.push_back(Node(c - '0'));
		}
		for (int i = 0; i < n; ++i) {
			cin >> c;
			tree[i].color2 = c - '0';
		}
		for (int i = 0; i < n - 1; ++i) {
			cin >> a;
			cin >> b;
			--a;
			--b;
			tree[a].edges.push_back(b);
			tree[b].edges.push_back(a);
		}
		
		bool redOccurs1; 
		bool redOccurs2; 
		bool blackOccurs1; 
		bool blackOccurs2;
		redOccurs1 = redOccurs2 = blackOccurs1 = blackOccurs2 = false;
		for (int i = 0; i < n; ++i) {
			if (tree[i].color1 == 0) {
				redOccurs1 = true;
			} else {
				blackOccurs1 = true;
			}
			
			if (tree[i].color2 == 0) {
				redOccurs2 = true;
			} else {
				blackOccurs2 = true;
			}
		}
		
		if (!redOccurs1 && redOccurs2) {
			cout << "NIE" << endl;
			continue;
		}
		if (!blackOccurs1 && blackOccurs2) {
			cout << "NIE" << endl;
			continue;
		}
		if (n == 1) {
			cout << "TAK" << endl;
			continue;
		}
		
		bool chain;
		chain = true;
		for (int i = 0; i < n; ++i) {
			if (tree[i].edges.size() > 2) {
				chain = false;
				break;
			}
		}
		if (chain) {			
			for (int i = 0; i < n; ++i) {
				if (tree[i].edges.size() <= 1) {
					curr = tree[i].edges[0];
					start = prev = i;
					break;
				}
			}
			
			colors1 = 1;
			colors2 = 1;
			while (tree[curr].edges.size() > 1) {
				if (tree[curr].color1 != tree[prev].color1) {
					++colors1;
				}
				if (tree[curr].color2 != tree[prev].color2) {
					++colors2;
				}
				tmpPrev = prev;
				prev = curr;
				curr = (tree[curr].edges[0] != tmpPrev ? tree[curr].edges[0] : tree[curr].edges[1]);
			}
			if (tree[curr].color1 != tree[prev].color1) {
				++colors1;
			}
			if (tree[curr].color2 != tree[prev].color2) {
				++colors2;
			}
			
			if (colors1 < colors2) {
				cout << "NIE" << endl;
				continue;
			}
			if (colors1 == colors2 && tree[start].color1 != tree[start].color2) {
				cout << "NIE" << endl;
				continue;
			}
		}
		
		bool keyToVictory;
		bool possibleFailure;
		vector<int> possibleStarts;
		keyToVictory = false;
		possibleFailure = false;	
		for (int i = 0; i < n; ++i) {
			if (tree[i].edges.size() > 2) {
				blackOccurs1 = false;
				redOccurs1 = false;
				
				for (int j = 0; j < tree[i].edges.size() && (!blackOccurs1 || !redOccurs1); ++j) {
					if (tree[tree[i].edges[j]].color2 == 0) {
						redOccurs1 = true;
					} else {
						blackOccurs1 = true;
					}
				}
				
				if (redOccurs1 && blackOccurs1) {
					keyToVictory = true;
					break;
				}
				
				if (redOccurs1 && tree[i].color2 == 1 && tree[i].color1 == 0) {
					possibleFailure = true;
				}
				if (blackOccurs1 && tree[i].color2 == 0 && tree[i].color1 == 1) {
					possibleFailure = true;
				}
					
			}
		}
		
		if (keyToVictory) {	
			cout << "TAK" << endl;
			continue;
		}
		
		if (possibleFailure) {
			cout << "NIE" << endl;
			continue;
		}
		
		cout << "TAK" << endl;			
	}
	
	return 0;
}