#include <fstream>
#include <stdio.h>
#define MAX 10000000
using namespace std;

int a[2][300000],c,m;

void citire()
{
    freopen ("gropi.in","r",stdin);
    freopen ("gropi.out","w",stdout);
    scanf ("%d %d",&c,&m);
    int x,y;
    for (int i=0;i<m;i++)
    {
        scanf ("%d %d",&x,&y);
        a[x-1][y]=MAX;
    }
}
int min (int a,int b)
{
        return a<b?a:b;
}

void lee()
{
    int x1,y1;
    for (int i=1;i<c+1;i++)
        if (a[0][i]==0)
        {
            x1=0;
            y1=i;
            break;
        }
        else
            if (a[1][i]==0)
            {
                x1=1;
                y1=i;
                break;
            }
    a[x1][y1]=1;
    if (x1==0)
    {
        if (a[1][y1]==0)
            a[1][y1]=2;
        if (a[0][y1+1]==0)
            a[0][y1+1]=2;
    }
    else
    {
        if (a[1][y1+1]==0)
            a[1][y1+1]=2;
    }
    for (int i=y1;i<=c;i++)
    {
            if (a[0][i]!=MAX && a[0][i]!=0)
            {
                if (a[0][i+1]==0)
                    a[0][i+1]=a[0][i]+1;
                if (a[1][i]==0)
                    a[1][i]=a[0][i]+1;
            }
            if (a[1][i]!=MAX && a[1][i]!=0)
            {
                if (a[0][i]==0)
                    a[0][i]=a[1][i]+1;
                if (a[1][i+1]==0)
                    a[1][i+1]=a[1][i]+1;
            }
                        if (a[0][i]!=MAX && a[0][i]!=0)
            {
                if (a[0][i+1]==0)
                    a[0][i+1]=a[0][i]+1;
                if (a[1][i]==0)
                    a[1][i]=a[0][i]+1;
            }
            if (a[1][i]!=MAX && a[1][i]!=0)
            {
                if (a[0][i]==0)
                    a[0][i]=a[1][i]+1;
                if (a[1][i+1]==0)
                    a[1][i+1]=a[1][i]+1;
            }
    }
}

void afisare()
{
    int nr;
    int x1,x2,y2,y1;
    scanf ("%d",&nr);
    for (int i=0;i<nr;i++)
    {
        scanf ("%d %d %d %d",&x1,&y1,&x2,&y2);
        printf("%d\n", abs(a[x1-1][y1]-a[x2-1][y2])+1);
    }
}

int main ()
{
    citire();
    lee();
    afisare();
}