Detailed Instructions: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Q: Sentence1: That is all thank you. Sentence2: chiquito restaurant bar serves mexican food and located at 2G cambridge leisure park cherry hinton road cherry hinton. Would you like anything else? Sentence3: What type of food do they serve and may I have their address? Sentence4: You're welcome. Sentence5: I would suggest you try the Chiquito Restaurant bar. Sentence6: I would like an expensive restaurant in the south part of town Question: Who has spoken the sentence 4? (A) User (B) System
A:
Answer: (A) User