from collections import defaultdict as DD
def main():
    n = int(input())
    Dx = DD(int)
    Dy = DD(int)
    x0 = y0 = x1 = y1 = 0
    for _ in range(2*n):
        x, y, c = list(map(str, input().split()))
        if c == "x":
            x0 += 1
            if Dx[y]:
                x1 += 2
            Dx[y] ^= 1
        else:
            y0 += 1
            if Dy[x]:
                y1 += 2
            Dy[x] ^= 1
    if x0+x1 < y0-y1 or y0+y1 < x0-x1:
        return "No"
    else:
        return "Yes"

for _ in range(int(input())):
    print(main())