T = int(input())
for _ in range(T):
    N = int(input())
    X,Y = [],[]
    for _ in range(2*N):
        x,y,c = input().split()
        if(c == "x"):
            X.append(y)
        else:
            Y.append(x)
    if(len(X) > len(Y)):X,Y = Y,X
    need = len(Y) - len(X) >> 1
    Y.sort()
    can = 0
    stack = [-1]
    for i in range(len(Y)):
        if(stack[-1] == Y[i]):
            stack.pop()
            can += 1
        else:
            stack.append(Y[i])

    print("Yes" if can >= need else "No")