#include<bits/stdc++.h>
using namespace std;
#define MAXN 10000010
#define long long ll
int t,q,l,r;
short a[MAXN] = {0};
string s;
int main() {
	ios::sync_with_stdio(false);cin.tie(0);
    cin >> t;
    while(t--){
		cin >> s >> q;
		for(int i = 0;i < s.size();i++){
            if(s[i] == 'P') a[i + 1] = a[i] + 3;
            else if(s[i] == 'p') a[i + 1] = a[i] + 2;
            else if(s[i] == 'G') a[i + 1] = a[i] + 1;
            else a[i + 1] = a[i];
		}
		while(q--){
			cin >> l >> r;
			cout << a[r] - a[l - 1] << endl;
		}
	}
    return 0;
}