#include <stdio.h>

int main(){
	int val1 = 0;
	scanf("%d",&val1);
	
	long arr1[val1][2];
	for(int i = 0;i < val1;i ++){
		scanf("%ld%ld",&arr1[i][0],&arr1[i][1]);
	}
	
	int val2 = 0;
	scanf("%d",&val2);
	
	long arr2[val2][2];
	for(int i = 0;i < val2;i ++){
		scanf("%ld%ld",&arr2[i][0],&arr2[i][1]);
	}
	
	int count[val1];
	for(int i = 0;i < val2;i ++){
		for(int j = 0;j < val1;j ++){
			if(arr1[j][0] >= arr2[i][0] && arr1[j][1] <= arr2[i][1]){
				count[i]++;
			}
		}
	}
	int max = 0;
	for(int i = 0;i < val1;i ++){
		if(count[i] > max){
			max = count[i];
		}
	}
	
	for(int i = 0;i < val1;i ++){
		if(count[i] == max){
			printf("%d\n",i + 1);
		}
	}
}