#include<iostream>
#include<cstdio>
#include<cstdlib>
#include<cstring>
using namespace std;
int number,num,sc=0,shu[205];
struct hehe
{
	string name;
	string school;
	int value;
}q[201];
string w[50];
int fen[50]={0};
int main()
{
	freopen ("sakinani.in","r",stdin);
	freopen ("sakinani.out","w",stdout);
	cin>>number;
	for (int i=0;i<number;i++)
	{
		cin>>q[i].name>>q[i].school;
		q[i].value=1;
		int a=0;
		for (int j=0;j<i;j++)
		{
			if (q[i].school==q[j].school)
			{
				shu[i]=shu[j];
				a=1;
				break;
			}
		}
		if (!a)
		{
			w[sc]=q[i].school;
			shu[i]=sc;
			sc++;
		}
	}
	cin>>num;
	for (int i=0;i<num;i++)
	{
		string s;
		cin>>s;
		for (int j=0;j<number;j++)
		{
			if (s==q[j].name)
			{
				q[j].value=2;
			}
		}
	}
	string s;
	while (cin>>s)
	{
		for (int i=0;i<number;i++)
		{
			if (s==q[i].name)
			{
				fen[shu[i]]+=q[i].value;
			}
		}
	}
	int answer=0;
	int ans;
	for (int i=0;i<sc;i++)
	{
		if (fen[i]>answer)
		{
			answer=fen[i];
			ans=i;
		}
		if (fen[i]==answer)
		{
			if (w[ans]>w[i])
			{
				ans=i;
			}
		}
	}
	cout<<w[ans];
	return 0;
}