#include <bits/stdc++.h>
//#pragma GCC optimize ("03")
#define FastIO ios_base::sync_with_stdio(false) , cin.tie(0) , cout.tie(0)
#define FILES freopen("obiective.in" , "r" , stdin) , freopen("obiective.out" , "w" , stdout)
#define ll long long
#define ull unsigned long long
#define ld long double
#define eb emplace_back
#define pb push_back
#define qwerty1 first
#define qwerty2 second
#define qwerty3 -> first
#define qwerty4 -> second
#define umap unordered_map
#define uset unordered_set
#define pii pair < ll , ll >
#define pq priority_queue
#define dbg(x) cerr << #x << ": " << x << '\n'

namespace FastRead
{
    char __buff[5000];ll __lg = 0 , __p = 0;
    char nc()
    {
        if(__lg == __p){__lg = fread(__buff , 1 , 5000 , stdin);__p = 0;if(!__lg) return EOF;}
        return __buff[__p++];
    }
    template<class T>void read(T&__x)
    {
        T __sgn = 1; char __c;while(!isdigit(__c = nc()))if(__c == '-')__sgn = -1;
        __x = __c - '0';while(isdigit(__c = nc()))__x = __x * 10 + __c - '0';__x *= __sgn;
    }
}

using namespace FastRead;
using namespace std;

const ll N = 32e3 + 10;
const ll M = 1e9 + 7;
const ld PI = acos(-1);
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

int n , m;
stack < int > st;
vector < int > G[N] , g[N] , ctc[N] , GC[N];
int mark[N] , in[N] , gr[N] , height[N] , rmq[N][20];

int cnt = 0;

void dfs(int node)
{
    mark[node] = 1;

    for(auto to : G[node])
        if(!mark[to])
            dfs(to);

    st.push(node);
}

void dfs2(int node)
{
    ctc[cnt].pb(node);
    gr[node] = cnt;
    mark[node] = 2;

    for(auto to : g[node])
        if(mark[to] == 1)
            dfs2(to);
}

int lca(int x , int y)
{
    if(height[x] < height[y])
        swap(x , y);

    int delta = height[x] - height[y];

    for(int bit = 0 ; bit <= 15 ; bit++)
        if(delta >> bit & 1)
            x = rmq[x][bit];

    if(x == y)
        return x;

    for(int bit = 15 ; bit >= 0 ; bit--)
        if(rmq[x][bit] != rmq[y][bit])
        {
            x = rmq[x][bit];
            y = rmq[y][bit];
        }

    return rmq[x][0];
}

signed main()
{
	#ifndef ONLINE_JUDGE
		FastIO , FILES;
	#endif

    int i , j;

    cin >> n >> m;

    while(m--)
    {
        int x , y;

        cin >> x >> y;
        G[x].pb(y);
        g[y].pb(x);
    }

    for(i = 1 ; i <= n ; i++)
        if(!mark[i])
            dfs(i);

    while(!st.empty())
    {
        int node = st.top();
        st.pop();

        if(mark[node] == 1)
        {
            ++cnt;
            dfs2(node);
        }
    }

    for(i = 1 ; i <= n ; i++)
        for(auto j : G[i])
            if(gr[i] != gr[j])
            {
                ++in[gr[j]];
                GC[gr[i]].pb(gr[j]);
            }

    queue < int > q;

    for(i = 1 ; i <= cnt ; i++)
        if(!in[i])
            q.push(i) , height[i] = 1;

    while(!q.empty())
    {
        int node = q.front();
        q.pop();

        for(auto to : GC[node])
        {
            if(height[to] == 0)
            {
                height[to] = height[node] + 1;
                rmq[to][0] = node;
            }

            if(--in[to] == 0)
                q.push(to);
        }
    }

    for(j = 1 ; (1 << j) <= cnt ; j++)
        for(i = 1 ; i <= cnt ; i++)
            rmq[i][j] = rmq[rmq[i][j - 1]][j - 1];

    int Q;

    cin >> Q;

    while(Q--)
    {
        int x , y;

        cin >> x >> y;

        x = gr[x];
        y = gr[y];

        if(x == y)
        {
            cout << 0 << '\n';
            continue;
        }

        int L = lca(x , y);

        if(L == x)
        {
            cout << 0 << '\n';
            continue;
        }

        for(int bit = 15 ; bit >= 0 ; bit--)
            if(height[rmq[x][bit]] > height[L])
            {
                ans += (1 << bit);
                x = rmq[x][bit];
            }

        cout << ans + 1 << '\n';
    }

    return 0;
}