if __name__=="__main__":
   n1=int(input())
   l1=set(map(int, input().split()))
   n2=int(input())
   l2=set(map(int, input().split()))
   l=l1.intersection(l2)
   print(len(l))

# Enter your code here. Read input from STDIN. Print output to STDOUT
n = int(input())
eng = input()
eng = {a for a in eng.split()}

m = int(input())
fren = input()
fren = {b for b in fren.split()}

eng.intersection_update(fren)

print(len(eng))

n1=int(input())
set1=set(map(int,input().split()))
n2=int(input())
set2=set(map(int,input().split()))
print(len(set1.intersection(set2)))

input()
set1 = set(map(int, input().split()))
input()
set2 = set(map(int, input().split()))
print(len(set1 & set2))

input()
s = set(input().split())
input()
print(len(s.intersection(input().split())))