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#include <bits/stdc++.h>
using namespace std;
int main(){
int q; scanf("%d",&q);
while(q--){
long long int n; scanf("%lld",&n);
long long int aux,par,impar; par=impar=0;
for(long long int i=0; i<n;i++){
scanf("%lld",&aux);
if(aux%2==0) par++;
else impar++;
}
long long int m,res=0; scanf("%lld",&m);
for(long long int i=0; i<m;i++){
long long int aux; scanf("%lld",&aux);
if(aux%2==0) res+=par;
else if(aux%2!=0) res+=impar;
}
printf("%lld\n",res);
}
return 0;
}
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