#include <bits/stdc++.h>
using namespace std;
fstream in ( "obiective.in" , ios::in );
fstream out( "obiective.out", ios::out );
const int EXP = 15;
const int DIM = 32001;
const int INF = 0x3f3f3f3f;
int low[DIM], lev[DIM], anc[EXP][DIM], fth[EXP][DIM], col[DIM], rnk[DIM];
vector<int> gph[DIM], stk, edg[DIM]; bitset<DIM> mrk;
void dfs1( int x, int &nr, int &dt ) {
low[x] = lev[x] = ++ dt;
mrk[x] = 1; stk.push_back( x );
for( int y : gph[x] ) {
if( lev[y] == 0 )
dfs1( y, nr, dt );
if( mrk[y] == 1 )
low[x] = min( low[x], low[y] );
}
if( low[x] == lev[x] ) {
nr ++;
int val;
do {
val = stk.back(); col[val] = nr;
mrk[val] = 0; stk.pop_back();
} while( val != x );
}
return;
}
void dfs2( int x, int f ) {
lev[x] = lev[f] + 1; mrk[x] = 1;
for( int y : edg[x] ) {
if( mrk[y] == 0 ) {
dfs2( y, x ); anc[0][y] = x;
fth[0][x] = min( fth[0][x], fth[0][y] );
}
}
return;
}
int lca( int x, int y ) {
if( lev[x] > lev[y] )
swap( x, y );
for( int i = EXP - 1; i >= 0; i -- ) {
if( lev[y] - ( 1 << i ) >= lev[x] )
y = anc[i][y];
}
for( int i = EXP - 1; i >= 0; i -- ) {
if( anc[i][x] != anc[i][y] ) {
x = anc[i][x];
y = anc[i][y];
}
}
return ( ( x == y ) ? x : anc[0][x] );
}
int main( void ) {
ios::sync_with_stdio( false );
int n, m;
in >> n >> m;
for( int i = 1; i <= m; i ++ ) {
int x, y;
in >> x >> y;
gph[x].push_back( y );
}
int nr = 0, dt = 0;
for( int i = 1; i <= n; i ++ ) {
if( lev[i] == 0 )
dfs1( i, nr, dt );
}
iota( fth[0] + 1, fth[0] + nr + 1, 1 );
transform( col + 1, col + n + 1, col + 1,
[nr]( int x ) { return nr - x + 1; } );
for( int i = 1; i <= n; i ++ ) {
for( int x : gph[i] ) {
if( col[i] != col[x] ) {
edg[col[i]].push_back( col[x] ); rnk[col[x]] ++;
fth[0][col[x]] = min( fth[0][col[x]], col[i] );
}
}
}
for( int i = 1; i <= nr; i ++ ) {
sort( edg[i].begin(), edg[i].end() );
edg[i].resize( unique( edg[i].begin(), edg[i].end() ) - edg[i].begin() );
}
mrk.reset();
dfs2( 1, 0 );
for( int k = 1; k < EXP; k ++ ) {
for( int i = 1; i <= nr; i ++ ) {
anc[k][i] = anc[k - 1][anc[k - 1][i]];
fth[k][i] = fth[k - 1][fth[k - 1][i]];
}
}
int t;
in >> t;
for( int i = 1; i <= t; i ++ ) {
int x, y;
in >> x >> y;
x = col[x]; y = col[y];
int z = lca( x, y ), ans = 1;
for( int i = EXP - 1; i >= 0; i -- ) {
if( lev[fth[i][x]] > lev[z] ) {
x = fth[i][x];
ans += ( 1 << i );
}
}
out << ans - ( x == z ) << "\n";
}
return 0;
}