A tennis coach is trying to put together a team of’ four players for the forthcomìng tournament. For this 7 players are available ; males A, B and C; and females W, X, Y a nd ‘Z. All players have equal capability and at least 2 males will be there in ‘the team. For a team of four, all players must be able to play with each other. But, B cannot play with W, C cannot play with Z and W cannot play with Y.
If all the three males are selected, then how many combinations of four-member teams are possible ?