Given the task definition and input, reply with output. You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Sentence1: Thank you for choosing Cambridge TownInfo Centre. Sentence2: I'm looking for a restaurant that offers British food in a moderate price range, can you help me with that? Sentence3: I have one in the west called Saint Johns Chop House. Would you like a reservation here? Sentence4: For now, can I just get the phone number and postcode? Sentence5: Let's try the west. Sentence6: Their number is 01223353110. Postcode is cb30ad. Sentence7: Thanks, that's everything I need. Sentence8: Yes I have many in the center of town and on in the west. Do you have a preference for area? Question: Who has spoken the sentence 1? (A) User (B) System
Answer: (B) System