from collections import*
for _ in range(int(input())):
  n=int(input())
  xyc=[input().split()for _ in range(2*n)]
  nx=sum(c=='x'for x,y,c in xyc)
  ny=n*2-nx
  if nx==ny:
    print('Yes')
    continue
  q=[]
  for x,y,c in xyc:
    if nx>ny and c=='x':
      q+=int(y),
    elif ny>nx and c=='y':
      q+=int(x),
  c=Counter(q)
  d=min(nx,ny)
  for k,v in c.items():
    if v%2:
      d-=1
  if d>=0:
    print('Yes')
  else:
    print('No')