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 it. Thank you. Sentence2: There are no restaurants that fit your desired criteria. Is there another cuisine type or price range? Sentence3: European food that is moderately priced please. Sentence4: What is the address and postcode? Sentence5: I would like a moderately priced restaurant that serves english food Sentence6: galleria serves european food and is in the moderate price range. Would you like their location? Sentence7: The address for Galleria is 33 Bridge Street and the postcode is C.B 2, 1 U.W. Can I help you with anything else? Sentence8: thank you good bye Question: Who has spoken the sentence 4? (A) User (B) System
A:
Answer: (A) User