#pragma GCC optimize ("O2") #include #include

using namespace std; struct movie{ int lan; int title; }mov[200000]; map <int,int> a; inline int read() { char ch = getchar(); int ans = 0,f = 1; while(ch<'0'||ch>'9') { if(ch == '-') f = -1; ch = getchar(); } while(ch>='0'&&ch<='9') { ans = ans10 + ch - '0'; ch = getchar(); } return ansf; } int main() { int n; n=read(); for(int i=0;i<n;i++) { int t; t=read(); a[t] ++;

}
int m;
cin>>m;
for(int i=0;i<m;i++)
	mov[i].lan = read();
for(int i=0;i<m;i++)
	mov[i].title = read();
int maxlan,maxtitle,maxpos;
maxlan = maxtitle = -1;
for(int i=0;i<m;i++)
{
	int x,y;
	x = a[mov[i].lan];
	y = a[mov[i].title];
	if(x>maxlan)
	{
		maxlan = x;
		maxtitle = y;
		maxpos = i+1;
	}
	else if(x==maxlan)
	{
		if(y>=maxtitle)
		{
			maxtitle = y;
			maxpos = i+1;
		}
	}
}
cout<<maxpos<<endl;
return 0;

}