#include <iostream>
#include <fstream>

using namespace std;

int main()
{
    ifstream fin("carte2.in");
    ofstream fout("carte2.out");
    int a,b,c,d,e,x,y;
    //cout<<"esetek:";
    fin>>y;
    cout<<y<<endl;
    for(int i=1 ; i<=y ; i++)
    {
        //cout<<"a=";
        fin>>a;
        //cout<<"b=";
        fin>>b;
        //cout<<"c=";
        fin>>c;
        //cout<<"d=";
        fin>>d;
        //cout<<"e=";
        fin>>e;
        if(b>a)
        {
            x=a;
            a=b;
            b=x;

        }
        if(c<d)
        {
            x=d;
            d=c;
            c=x;
        }

        if(d<e)
        {
            x=e;
            e=d;
            d=x;
        }
        if(c<d)
        {
            x=d;
            d=c;
            c=x;

        }
        if(a<c && b<d) fout<<"posibil"<<endl;
        else fout<<"imposibil"<<endl;
    }
    fin.close();
    fout.close();
    return 0;
}