#include <bits/stdc++.h>
using namespace std;

class InParser {
private:
    FILE *fin;
    char *buff;
    int sp;
    
    char read_ch() {
        ++sp;
        if (sp == 4096) {
            sp = 0;
            fread(buff, 1, 4096, fin);
        }
        return buff[sp];
    }
    
public:
    InParser(const char* nume) {
        fin = fopen(nume, "r");
        buff = new char[4096]();
        sp = 4095;
    }
    
    InParser& operator >> (int &n) {
        char c;
        while (!isdigit(c = read_ch()) && c != '-');
        int sgn = 1;
        if (c == '-') {
            n = 0;
            sgn = -1;
        } else {
            n = c - '0';
        }
        while (isdigit(c = read_ch())) {
            n = 10 * n + c - '0';
        }
        n *= sgn;
        return *this;
    }
    
    InParser& operator >> (long long &n) {
        char c;
        n = 0;
        while (!isdigit(c = read_ch()) && c != '-');
        long long sgn = 1;
        if (c == '-') {
            n = 0;
            sgn = -1;
        } else {
            n = c - '0';
        }
        while (isdigit(c = read_ch())) {
            n = 10 * n + c - '0';
        }
        n *= sgn;
        return *this;
    }
} in( "grendizer.in" );

class OutParser {
private:
    FILE *fout;
    char *buff;
    int sp;
    
    void write_ch(char ch) {
        if (sp == 50000) {
            fwrite(buff, 1, 50000, fout);
            sp = 0;
            buff[sp++] = ch;
        } else {
            buff[sp++] = ch;
        }
    }
    
    
public:
    OutParser(const char* name) {
        fout = fopen(name, "w");
        buff = new char[50000]();
        sp = 0;
    }
    ~OutParser() {
        fwrite(buff, 1, sp, fout);
        fclose(fout);
    }
    
    OutParser& operator << (int vu32) {
        if (vu32 <= 9) {
            write_ch(vu32 + '0');
        } else {
            (*this) << (vu32 / 10);
            write_ch(vu32 % 10 + '0');
        }
        return *this;
    }
    
    OutParser& operator << (long long vu64) {
        if (vu64 <= 9) {
            write_ch(vu64 + '0');
        } else {
            (*this) << (vu64 / 10);
            write_ch(vu64 % 10 + '0');
        }
        return *this;
    }
    
    OutParser& operator << (char ch) {
        write_ch(ch);
        return *this;
    }
    OutParser& operator << (const char *ch) {
        while (*ch) {
            write_ch(*ch);
            ++ch;
        }
        return *this;
    }
} out( "grendizer.out" );

const int DIM = 1e5 + 5;

pair<int, int> pts1[DIM], pts2[DIM];

int main( void ) {
    ios::sync_with_stdio( false );
    
    int n, m;
    in >> n >> m;
    
    for( int i = 1; i <= n; i ++ ) {
        int x, y;
        in >> x >> y;
        
        pts1[i] = make_pair( x - y, y );
        pts2[i] = make_pair( x + y, y );
    }
    
    sort( pts1 + 1, pts1 + n + 1 );
    sort( pts2 + 1, pts2 + n + 1 );
    
    for( int i = 1; i <= m; i ++ ) {
        int x, y, z, ans = 0;
        in >> x >> y >> z;
    
        ans += lower_bound( pts1 + 1, pts1 + n + 1, make_pair( x - y - z, y + z ) ) -
               lower_bound( pts1 + 1, pts1 + n + 1, make_pair( x - y - z, y ) );
        ans += upper_bound( pts1 + 1, pts1 + n + 1, make_pair( x - y + z, y ) ) -
               upper_bound( pts1 + 1, pts1 + n + 1, make_pair( x - y + z, y - z ) );
        ans += lower_bound( pts2 + 1, pts2 + n + 1, make_pair( x + y - z, y ) ) -
               lower_bound( pts2 + 1, pts2 + n + 1, make_pair( x + y - z, y - z ) );
        ans += upper_bound( pts2 + 1, pts2 + n + 1, make_pair( x + y + z, y + z ) ) -
               upper_bound( pts2 + 1, pts2 + n + 1, make_pair( x + y + z, y ) );
        
        out << ans << "\n";
    }
    
    return 0;
}