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: I'm looking for info on a restaurant called La Tasca. Sentence2: There are 18 colleges in town. Is there a certain area you would like to visit? Sentence3: Have a good day, goodbye. Sentence4: The price range for La Tasca restaurant is in a moderate range. Sentence5: That's really helpful. Thanks. I think thats all I needed. Have a nice day. Bye. Sentence6: And what's the post code that goes with that address? Sentence7: I will take the address, phone number and fee for the one you recommend Sentence8: I would recommend Trinity College. They are in the centre of town. Their entrance fee is 1 pound. You can find them on Trinity Street. Their phone is 01223338400. Sentence9: What is the price range? Sentence10: Yeah, I need information about colleges in town. Can you help me with that? Sentence11: La Tasca is a moderately-priced spanish restaurant in the city center. It is located at 14-16 Bridge Street. The phone number is 01223464630. Do you want reservations? Sentence12: The postcode is cb21uf. Anything else can I do for you? Question: Who has spoken the sentence 1? (A) User (B) System
Answer: (B) System