import sys
from math import sqrt, pi, sin, factorial
inp = lambda : sys.stdin.readline()[:-1].strip()
mii = lambda x = " " : [*map(int,inp().split(x))]
mfi = lambda x = " " : [*map(float,inp().split(x))]
ii = lambda : int(inp())
fi = lambda : float(inp())
p = print
def solve():
l = input().split()
d = {}
for i in l:
k = i[0]
d[k] = d.get(k, 0) + 1
print(max(d.values()))
if __name__ == "__main__":
tc = ii()
for t in range(tc):
solve()