Seven amateur billiards players gather to play a billiards tournament. The players were divided into two sections: Section A has 4 players; and Section B has 3 players. Each player played against every other player in his/her Section. With the information below, can you determine each person's section, and to whom they won and lost.

Players: Betty, Chris, Greg, Jill, John, Mary, and Tina.


1. Every player from Section B has the same win-loss record.

2. John lost all of his games.

3. Mary, who defeated Jill, won more games than exactly 5 of the players.

4. Jill lost to Greg, and Tina defeated Chris.