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 would like to stay in the east, please. Sentence2: I can book you in the autumn house. would you like me to do that Sentence3: i have found 29 hotels that meet your criteria. what part of town would you like to stay in? Sentence4: Hi I am looking for a place to stay that has free parking and does not need to include wifi. Question: Who has spoken the sentence 3? (A) User (B) System
Output:
Answer: (B) System