You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Sentence1: Thank you. Sentence2: Thank you good bye. Sentence3: I do not care about the price range or location. Sentence4: There are no restaurants serving barbeque. Sentence5: The Gourmet Burger Kitchen is at Regent Street City Centre, post code C.B 2, 1 A.B. The phone number is 01223 312598. Sentence6: I would like a barbeque restaurant. Sentence7: Do you have an address, phone number and postcode for a North American food restaurant? Sentence8: Where would you like to search for a restaurant, and what price range would you prefer? Question: Who has spoken the sentence 2? (A) User (B) System
Answer: (A) User