package main

import . "fmt"

func main() {
	var n int
	Scan(&n)
	a:=make([]int,n)
	b:=make([]int,n)
	for i:=range a {
		Scan(&a[i],&b[i])
	}
	var m int
	Scan(&m)
	c:=make([]int,m)
	max:=0
	for i:=range c {
		var x,y int
		Scan(&x,&y)
		for j, p:=range a {
			if x<=p&&b[j]<=y {
				c[i]++
			}
		}
		if c[i]>max {
			max=c[i]
		}
	}
	if max==0 {
		Println(0)
		return
	}
	for i,e:=range c {
		if e==max {
			Println(i+1)
		}
	}
}