During a live ball, A1 and B1 begin to fight. Substitutes A6, A7, B6, and B7 enter the court without fighting. No free throws are shot and play continues with an alternating possession throw in. What is the current situation on the court?
1) A1 and B1 are still fighting
2) A6, A7, B6, and B7 are fighting
3) A1 and B1 have been ejected from the game
4) Play has resumed with an alternating possession throw in