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: Thank you, goodbye. Sentence2: How about Portuguese food instead? Sentence3: Awesome, thank you! Sentence4: Nandos is located on the south side at Cambridge Leisure Park Clifton Way and the phone number is 01223 327908. Sentence5: Are there ant Jamaican restaurants in any part of town? Sentence6: I am looking for a restaurant in the south part of town that serves Jamaican food. Sentence7: I'm sorry but i cannot find any Jamaican restaurant located in the south . Sentence8: Unfortunately there are not. Would you be interested in a different cuisine? Question: Who has spoken the sentence 4? (A) User (B) System
A:
Answer: (A) User