#include<bits/stdc++.h>
using namespace std;
#define ALL(x) x.begin(),x.end()
#define rep(i,n) for(int i=0;i<(n);i++)
#define debug(v) cout<<#v<<":";for(auto x:v){cout<<x<<' ';}cout<<endl;
#define INF 1000000000
#define mod 1000000007
using ll=long long;
const ll LINF=1001002003004005006ll;
int dx[]={1,0,-1,0};
int dy[]={0,1,0,-1};
ll gcd(ll a,ll b){return b?gcd(b,a%b):a;}
template<class T>bool chmax(T &a,const T &b){if(a<b){a=b;return true;}return false;}
template<class T>bool chmin(T &a,const T &b){if(b<a){a=b;return true;}return false;}

//////////////////////////////////////////////////////
using Real=double;
using Point=complex<Real>;
const Real EPS=1e-10;
const Real pi=acosl(-1);
//入出力補助
istream &operator>>(istream &is,Point &p){
    Real a,b;
    is>>a>>b;
    p=Point(a,b);
    return is;
}
ostream &operator<<(ostream &os,Point &p){
    return os<<fixed<<setprecision(12)<<p.real()<<' '<<p.imag();
}

inline bool eq(Real a,Real b){
    return fabs(a-b)<EPS;
}
Point operator*(const Point &p,const Real &d){
    return Point(real(p)*d,imag(p)*d);
}
struct Line{
    Point p1,p2;
    Line(Point p1,Point p2):p1(p1),p2(p2){}
 
    //Ax + By = C
    Line(Real A,Real B,Real C){
       if(eq(A,0))     p1=Point(0,C/B),p2=Point(1,C/B);
       else if(eq(B,0))p1=Point(C/A,0),p2=Point(C/A,1);
       else            p1=Point(0,C/B),p2=Point(C/A,0);
    }
};
struct Segment:Line{
   Segment()=default;
   Segment(Point p1,Point p2):Line(p1,p2){}
};
struct Circle{
    Point center;
    Real r;
    Circle(Point center,Real r):center(center),r(r){}
};
/////////////////////////////////////////////////////////

 
// 点 p を反時計回りに theta 回転
Point rotate(Real theta, const Point &p) {
    return Point(cos(theta)*p.real()-sin(theta)*p.imag(),sin(theta)*p.real()+cos(theta)*p.imag());
}
 
Real radian_to_degree(Real r){
    return r*180.0/pi;
}

Real degree_to_radian(Real d){
    return d*pi/180.0;
}

//三角形の面積，サラスの公式
Real area_triangle(Point a,Point b,Point c){
    Point x=b-a,y=c-a;
    return fabs(x.real()*y.imag()-x.imag()*y.real())/2;
}
 
//v
//外積
Real cross(const Point &a, const Point &b){
    return real(a)*imag(b)-imag(a)*real(b);
}
 
//v
//内積
Real dot(const Point &a, const Point &b) {
    return real(a)*real(b)+imag(a)*imag(b);
}
 
//v
//平行判定，外積0かをみる
bool parallel(Line &a,Line &b){
    return eq(cross(a.p1-a.p2,b.p1-b.p2),0.0);
}
 
//v
//垂直判定，内積0かをみる
bool orthogonal(Line &a,Line &b){
    return eq(dot(a.p1-a.p2,b.p1-b.p2),0.0);
}
 
//v
//正射影，pからlに下した垂線の足を求める
Point projection(const Line &l, const Point &p){
    //ベクトルl上のどの位置に垂線の足が来るか求める
    Real k=dot(l.p1-l.p2,p-l.p1)/norm(l.p1-l.p2);
    return l.p1+(l.p1-l.p2)*k;
}
Point projection(const Segment &l, const Point &p){
    Real k=dot(l.p1-l.p2,p-l.p1)/norm(l.p1-l.p2);
    return l.p1+(l.p1-l.p2)*k;
}
 
//v
//反射，直線lに関し点pと線対称な点を返す
Point reflection(const Line &l, const Point &p){
    Point h=projection(l,p);
    return (p+(h-p)+(h-p));
}
Point reflection(const Segment &l, const Point &p){
    Point h=projection(l,p);
    return (p+(h-p)+(h-p));
}

//二点間の距離
Real dis(Point a,Point b){
    return abs(a-b);
} 
//点と直線の距離
Real dis(const Line &l,const Point &p){
    return abs(p-projection(l,p));
}
//
 
//v
//COUNTER CLOCKWISE，返す値は↓を参照
//https://onlinejudge.u-aizu.ac.jp/courses/library/4/CGL/all/CGL_1_C
int ccw(Point a,Point b,Point c){
    b-=a;c-=a;
    if(cross(b,c)>EPS)       return  1;//COUNTER CLOCKWISE
    else if(cross(b,c)<-EPS) return -1;//CLOCKWISE
    else if(dot(b,c)<0)      return  2;//c--a--b ONLINE BACK
    else if(norm(b)<norm(c)) return -2;//a--b--c ONLINE FRONT
    else                     return  0;//a--c--b ON SEGMENT
}
 
//v
//3点が作る三角形の外心
//面積0の三角形を渡すと分母に面積があるので壊れるかも
Point circumcenter(const Point &A,const Point &B,const Point &C){
    Real S=area_triangle(A,B,C);
    Real a=dis(B,C),b=dis(A,C),c=dis(A,B);
    return A*(a*a*(b*b+c*c-a*a)/(16*S*S))+B*(b*b*(c*c+a*a-b*b)/(16*S*S))+C*(c*c*(a*a+b*b-c*c)/(16*S*S));
}
 
 
//交差判定
//直線状に乗るか
bool intersect(const Line &l,const Point &p){
    return abs(ccw(l.p1,l.p2,p))!=1;
}
//直線の交差判定，外積
bool intersect(const Line &l1,const Line &l2){
    return abs(cross(l1.p2-l1.p1,l2.p2-l2.p1))>EPS or
        abs(cross(l1.p2-l1.p1,l2.p2-l1.p1))<EPS;
}
//線分に点が乗るかの判定，ccw
bool intersect(const Segment &s,const Point &p){
    return ccw(s.p1,s.p2,p)==0;
}
//直線と線分の交差判定
bool intersect(const Line &l,const Segment &s){
    return cross(l.p2-l.p1,s.p1-l.p1)*cross(l.p2-l.p1,s.p2-l.p1)<EPS;
}
//円と直線の交差判定
bool intersect(const Circle &c,const Line &l){
    return dis(l,c.center)<=c.r+EPS;
}
//円上かどうか，内部かどうかではない
bool intersect(const Circle &c,const Point &p){
    return abs(abs(p-c.center)-c.r)<EPS;
}
//v
//線分と線分の交差判定
bool intersect(const Segment &s,const Segment &t){
    return ccw(s.p1,s.p2,t.p1)*ccw(s.p1,s.p2,t.p2) <=0 and
        ccw(t.p1,t.p2,s.p1)*ccw(t.p1,t.p2,s.p2)<=0;
}
 
 
//v
//最小包含円を返す　計算量は期待値O(n)
Circle MinimumBoundingCircle(vector<Point> v){
   int n=v.size();
  
   //ランダムシャッフル．いぢわるされたくないもんだ
   mt19937 mt(time(0));
   shuffle(v.begin(),v.end(),mt);
 
   Circle ret(0,0);
   //2点で円を作る
   auto make_circle2=[&](Point a,Point b){
       return Circle((a+b)*0.5,dis(a,b)/2);
   };
   //3点で円を作る
   auto make_circle3=[&](Point A,Point B,Point C){
       Point cent=circumcenter(A,B,C);
       return Circle(cent,dis(cent,A));
   };
   auto isIn=[&](Point a){
       return dis(ret.center,a)<ret.r+EPS;
   };
 
   ret=make_circle2(v[0],v[1]);
   for(int i=2;i<n;i++){
       //v[i]が円に入っていないなら
       if(!isIn(v[i])){
           //円内にないなら点v[i]は必ず円周上に来る
           ret=make_circle2(v[0],v[i]);
           for(int j=1;j<i;j++){
               if(!isIn(v[j])){
                   //この時iとjが円周上を考える
                   ret=make_circle2(v[i],v[j]);
                   //最後の1点の決定
                   for(int k=0;k<j;k++){
                       if(!isIn(v[k])){
                           ret=make_circle3(v[i],v[j],v[k]);
                       }
                   }
               }
           }
       }
   }
   return ret;
}


signed main(){
    cin.tie(0);
    ios::sync_with_stdio(0);
    
    Point a,b;cin>>a>>b;
    int q;cin>>q;
    while(q--){
        Point c;cin>>c;
        int ans=ccw(a,b,c);
        if(ans== 1) cout<<"COUNTER_CLOCKWISE"<<endl;
        if(ans==-1) cout<<"CLOCKWISE"<<endl;
        if(ans== 2) cout<<"ONLINE_BACK"<<endl;
        if(ans==-2) cout<<"ONLINE_FRONT"<<endl;
        if(ans== 0) cout<<"ON_SEGMENT"<<endl;
    }
    return 0;
}



Measured memory_bytes: 3328