Question

This is related to principle networks. Give leads to solve this problem second additional question: A jewel was stolen from a room during a party. Guests (A, B, C, D, E, and F) were there at different times in the room. statements they gave to the police are-

A: I was present in room with E and B
B: I was present in room with A, F and E
C: I was present in room with F and D
D: I was present in room with A and F
E: I was present in room with C
F: I was present in room with C and E

One of these statements is false. Which one is it?