872 B | 872 chars
import sys
from math import sqrt, pi, sin, factorial, ceil, floor
from datetime import datetime, timedelta
BLANK = " "
#inp = input
inp = lambda : sys.stdin.readline()[:-1].strip()
mii = lambda x = BLANK : [*map(int,inp().split(x))]
mfi = lambda x = BLANK : [*map(float,inp().split(x))]
ii = lambda : int(inp())
fi = lambda : float(inp())
p = print
def solve():
while 1:
s = input()
if s == '0':
break
k, m = map(int, s.split())
subjects = input().split() # len: k
chk = True
for _ in range(m):
c, r, *l = input().split()
c = int(c)
r = int(r)
cnt = 0
for i in l:
if i in subjects:
cnt += 1
if cnt < r:
chk = False
p("yes" if chk else "no")
if __name__ == "__main__":
tc = 1
for t in range(1, tc+1):
ret = solve()