The man in the t-shirt , with a gold chain around his neck , is in a room with three others people .
The man with the necklace is a zombie .
The man in the t-shirt, with a gold chain around his neck, is in a room with three others people.
The man with the necklace is a zombie.
If the man were a zombie, three other people would not want to be in room with him.
If the man were a zombie , three other people would not want to be in room with him .