Question ID:PT6 S4 Q5 Passage:Petworld has exactly fourteen animals (three gerbils, three hamsters, three lizards, five snakes) that are kept in four separate cages (W, X, Y, Z) according to the following conditions: Each cage contains exactly two, four, or six animals. Any cage containing a gerbil also contains at least one hamster; any cage containing a hamster also contains at least one gerbil. Any cage containing a lizard also contains at least one snake; any cage containing a snake also contains at least one lizard. Neither cage Y nor cage Z contains a gerbil. Neither cage W nor cage X contains a lizard. Stem:If cage Y contains six animals, which one of the following must be true? Correct Answer Choice:EChoice A:Cage W contains two gerbils. Choice B:Cage X contains four animals. Choice C:Cage Z contains two snakes. Choice D:The number of snakes in cage Y is equal to the number of lizards in cage Y. Choice E:The number of snakes in cage Z is equal to the number of lizards in cage Z.