Of the 5 teams in a football competition, 1 team slept in room W, 2 teams slept in room X, 3 teams slept in room Y, and all 5 teams slept in room Z If 3 of the teams slept in 2 rooms and 1 team slept in all 4 rooms, how many rooms does the remaining team slept in?
A:0 B:1 C:2 D:3 E:4

Although i got the answer, i was wandering how to approach it using 4 overlapping ven diagrams for rooms W, X, Y, and Z..

OA is B