You will be given a definition of a task first, then some input of the task.
You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Sentence1: I am looking for a restaurant that is in the expensive price range and in the south part of town. Sentence2: address and phone number Sentence3: You're welcome, goodbye. Sentence4: There are results matching your query. Would you like Mexican, Italian, Chinese, or Indian? Sentence5: The address is Cambridge Leisure Park Clifton Way Cherry Hinton. The phone number is 01223 412430. Sentence6: Let's go with Italian food. Sentence7: Frankie and Bennys is an expensive Italian eatery in the south part of town. Would you like any additional information about this restaurant? Sentence8: Thank you, goodbye. Question: Who has spoken the sentence 3? (A) User (B) System
Output:
Answer: (B) System