// Starcraft 2 enjoyer //
#include <bits/stdc++.h>
// #pragma GCC target("avx2")
// #pragma GCC optimize("O3")
// #pragma GCC optimize("unroll-loops")
using namespace std;
#define LSOne(X) ((X) & -(X))
#define int long long
const int N = 2e5 + 5;
const int M = 1 << 15;
const int B = 18;
const long long K = 2;
const int LG = 20;
const int INF = 1e18 + 5;
const int P = 31;
const int MOD = 1e9 + 7;
const int nx[] = {0, 1, 0, -1}, ny[] = {-1, 0, 1, 0};
int n, m, parent[N], sz[N], mn[5][5], w, h;
bool has[N][5];
array<int, 3> tree[N];
vector<array<int, 3>> v;
inline int getParent(int x)
{
return parent[x] == x ? x : parent[x] = getParent(parent[x]);
}
inline void update(int a, int b)
{
a = getParent(a);
b = getParent(b);
if (a != b)
{
if (sz[a] < sz[b])
{
swap(a, b);
}
parent[b] = a;
for (int x = 1; x <= 4; x++)
{
has[a][x] |= has[b][x];
}
sz[a] += sz[b];
}
}
inline int dis(array<int, 3> a, array<int, 3> b)
{
return sqrt((a[0] - b[0]) * (a[0] - b[0]) + (a[1] - b[1]) * (a[1] - b[1])) - a[2] - b[2];
}
inline void solve()
{
cin >> n >> m >> w >> h;
for (int x = 0; x < n; x++)
{
cin >> tree[x][0] >> tree[x][1] >> tree[x][2];
v.push_back({h - tree[x][1] - tree[x][2], x, -1});
v.push_back({w - tree[x][0] - tree[x][2], x, -2});
v.push_back({tree[x][1] - tree[x][2], x, -3});
v.push_back({tree[x][0] - tree[x][2], x, -4});
}
for (int x = 0; x < n; x++)
{
for (int y = x + 1; y < n; y++)
{
v.push_back({dis(tree[x], tree[y]), x, y});
}
}
for (int x = 0; x < n; x++)
{
parent[x] = x;
sz[x] = 1;
}
sort(v.begin(), v.end());
for (int x = 1; x <= 4; x++)
{
for (int y = x + 1; y <= 4; y++)
{
mn[x][y] = INF;
}
}
for (auto &[d, a, b] : v)
{
// cout << d << " " << a << " " << b << "v\n";
if (b < 0)
{
has[getParent(a)][-b] = 1;
}
else
{
update(a, b);
}
int i = getParent(a);
for (int x = 1; x <= 4; x++)
{
for (int y = x + 1; y <= 4; y++)
{
if (has[i][x] && has[i][y])
{
mn[x][y] = min(mn[x][y], d);
}
}
}
}
// for (int x = 1; x <= 4; x++)
// {
// for (int y = x + 1; y <= 4; y++)
// {
// cout << mn[x][y] << " " << x << " " << y << "\n";
// }
// }
for (int x = 0; x < m; x++)
{
int r, s;
cin >> r >> s;
r = 2 * r;
vector<int> ans;
for (int y = 1; y <= 4; y++)
{
if (y == s)
{
ans.push_back(y);
continue;
}
int i = s, j = y;
if (i > j)
swap(i, j);
if (i == 1)
{
if (j == 2)
{
if (r <= min({mn[3][4], mn[1][3], mn[2][3]}))
{
ans.push_back(y);
}
}
if (j == 3)
{
if (r <= min({mn[3][4], mn[2][4], mn[1][2], mn[1][3]}))
{
ans.push_back(y);
}
}
if (j == 4)
{
if (r <= min({mn[3][4], mn[2][4], mn[1][4]}))
{
ans.push_back(y);
}
}
}
if (i == 2)
{
if (j == 3)
{
if (r <= min({mn[2][3], mn[2][4], mn[1][2]}))
{
ans.push_back(y);
}
}
if (j == 4)
{
if (r <= min({mn[2][3], mn[1][4], mn[1][3], mn[2][4]}))
{
ans.push_back(y);
}
}
}
if (i == 3)
{
if (j == 4)
{
if (r <= min({mn[1][2], mn[1][3], mn[1][4]}))
{
ans.push_back(y);
}
}
}
}
for (int i : ans)
cout << i;
cout << "\n";
}
}
signed main()
{
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
int t = 1;
// cin >> t;
for (int x = 1; x <= t; x++)
{
solve();
}
return 0;
}
