Analytical:(Q1-Q5): Exactly 5 persons J,K,L,M and O have gathered to play a game. In each round of the game, exactly 3 of these persons must play. The following are the other conditions of play. No person can play in three consecutive rounds. No person can sit out two consecutive rounds. (Q.3). If J, L and M play in the first round and K, M and O play in the second round, then which of the following player must play in the fourth round?