//#pragma GCC optimize("Ofast,unroll-loops")
//#pragma GCC target("avx,avx2,fma,lzcnt,popcnt")
#include <bits/stdc++.h>
#define ll long long
#define fi first
#define se second
#define pb push_back
#define ii pair<int,int>
#define ill pair<ll,ll>
#define el cout<<'\n'
#define int long long
const ll mod=1e9+7;
const int dx[]={1,0,-1,0},dy[]={0,1,0,-1};
const int nmax=2e5;
const int inf =2e9;
void add(int &a, int b) {
a += b;
if (a >= mod) a -= mod;
if (a < 0) a += mod;
}
template<typename T> void chkmin(T& x, T y) {if(x > y) x = y;}
template<typename T> void chkmax(T& x, T y) {if(x < y) x = y;}
using namespace std;
mt19937 rd(chrono::steady_clock::now().time_since_epoch().count());
int rand(int l, int r)
{
return uniform_int_distribution<int>(l, r) (rd);
}
int L[nmax + 5];
int R[nmax + 5];
int ans[nmax + 5];
vector<int>adj[nmax + 5];
vector<int>rev_adj[nmax + 5];
int n,q;
ii range[nmax + 5];
signed main()
{
ios::sync_with_stdio(0);
cin.tie(0);cout.tie(0);
cin >> n;
for(int i=1;i<=n;i++)
{
cin >> range[i].fi >> range[i].se;
}
for(int i=1;i<=n;i++)
{
for(int point = range[i].fi; point <= range[i].se;point++)
rev_adj[point].pb(i);
}
for(int i=1;i<=n;i++)
{
L[i] = R[i] = ans[i] = inf;
}
queue<int>q;
for(int i=1;i<=n;i++)
{
if(range[i].fi == 1)
{
L[i] = 1;
q.push(i);
}
}
while(!q.empty())
{
int u = q.front();
q.pop();
for(auto v:rev_adj[u])
{
if(L[v] > L[u] + 1)
{
L[v] = L[u] + 1;
q.push(v);
}
}
}
for(int i=1;i<=n;i++)
{
if(range[i].se == n)
{
R[i] = 1;
q.push(i);
}
}
while(!q.empty())
{
int u = q.front();
q.pop();
for(auto v:rev_adj[u])
{
if(R[v] > R[u] + 1)
{
R[v] = R[u] + 1;
q.push(v);
}
}
}
priority_queue<int,vector<int>,greater<int>>pq;
for(int i=1;i<=n;i++)
{
if(L[i] != inf && R[i] != inf)
{
ans[i] = L[i] + R[i] - 1;
pq.push(i);
}
else
ans[i] = inf;
}
while(!pq.empty())
{
int u = pq.top();
pq.pop();
for(auto v:rev_adj[u])
{
if(ans[v] > ans[u] + 1)
{
ans[v] = ans[u] + 1;
pq.push(v);
}
}
}
int query;
cin >> query;
while(query--)
{
int x;
cin >> x;
if(ans[x] == inf) cout << -1;
else cout << ans[x];
el;
}
}
// "Can i get a kiss? And can u make it last forever?"
