question_answer

Direction: Read the following information carefully and answer the questions that follow.

A particular seafood restaurant serves dinner from Tuesday to Sunday. The restaurant is closed on Monday. Five entrees snapper, halibut, lobster, mahi, and tuna-are served each week according to the following restrictions:

Eight dogs in an obedience class  learning to follow two commands- “heel” and "stay.” Each dog is either a shepherd, a retriever, or a terrier, and each of these three breeds is represented at least once among the group. All female dogs in the group   retrievers. The results- of the first lesson are as follows:

• At least two of the dogs have learned to follow the “heel” command, but not the “stay” command.

• At least two of the dogs have learned to follow the “stay” command, but not the “heel” command.

• At least one of the dogs has learned to follow both commands.

• Among the eight dogs, only terriers have learned to follow the “stay” command.

If each dog has learned to follow at least one of the two commands, all of the following must be true EXCEPT:

 

A) All retrievers have learned the command heel.

B) All shepherds have learned the command heel.

C) All terriers have learned the command stay

D) No retriever has learned the command stay

E) None of these