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: There are mostly colleges and museums in the west. Would you be interested in one of those? Sentence2: Great! Thank you for all of your help. Sentence3: Thank you and enjoy your visit. Sentence4: Clare college is a college, it is located on trinity lane, post code cb21tl Sentence5: I have found 79 place for you. Do you have any specific ideas in mind? Sentence6: Hello I am looking for a place to go, can you help me? Sentence7: Sure, can you recommend one to me and give me the address and type? Sentence8: What attraction types do you have in the west? Sentence9: You have helped with what I needed, thank you, goodbye! Sentence10: You're quite welcome! Will that be all for today? Question: Who has spoken the sentence 1? (A) User (B) System
Output:
Answer: (B) System