import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.util.HashMap;
import java.util.Map;

public class Main {
	public static void main(String[] args) throws Exception {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		int t = Integer.parseInt(br.readLine());
		PrintWriter pw = new PrintWriter(System.out);
		for (int z = 0; z < t; z++) {
			int n = Integer.parseInt(br.readLine());
			int n2 = n * 2;
			int[] x = new int[n2];
			int[] y = new int[n2];
			char[] c = new char[n2];
			for (int i = 0; i < n2; i++) {
				String[] sa = br.readLine().split(" ");
				x[i] = Integer.parseInt(sa[0]);
				y[i] = Integer.parseInt(sa[1]);
				c[i] = sa[2].charAt(0);
			}

			int cx = 0;
			for (int i = 0; i < n2; i++) {
				if (c[i] == 'x') {
					cx++;
				}
			}
			int cy = n2 - cx;

			Map<Integer, Integer> map = new HashMap<>();
			if (cx == cy) {
				pw.println("Yes");
				continue;
			} else if (cx > cy) {
				for (int i = 0; i < n2; i++) {
					if (c[i] == 'x') {
						map.put(y[i], map.getOrDefault(y[i], 0) + 1);
					}
				}
			} else {
				for (int i = 0; i < n2; i++) {
					if (c[i] == 'y') {
						map.put(x[i], map.getOrDefault(x[i], 0) + 1);
					}
				}
			}

			int cnt = 0;
			for (int v : map.values()) {
				cnt += (v + 1) / 2;
			}
			if (cnt <= n) {
				pw.println("Yes");
			} else {
				pw.println("No");
			}
		}
		pw.flush();
		br.close();
	}
}