You will be given a definition of a task first, then some input of the task.
You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Sentence1: Lets find a place first, I would like one in the north. Sentence2: Thank you, that is all for today. Goodbye. Sentence3: I'm sorry. I don't have any matching results. Would you like to try a different type of food, perhaps? Sentence4: What days would you like ? Sentence5: Yes, please try Chinese food instead. Sentence6: get me their phone number and address and whether they have free parking Sentence7: They are located at 66 Chesterton Road Chesterton in the north part of town. Zip code is cb41ep and their hone number is 01223366552. Sentence8: Bye. Thank you for using our services. Sentence9: Not at the moment but I would like their phone number and address with postcode. Sentence10: I'm looking for a place to dine. The restaurant should serve unusual food and should be in the same area as the hotel. Sentence11: There are three options available. I'd recommend The Hotpot. Would you like to book a table? Sentence12: acorn guest house is a great place to stay. Sentence13: Yes, Acorn Guest House has free parking. They are located at 154 Chesterton Road. Their phone number is 01223353888. Sentence14: I'm in the midst of planning my trip to Cambridge and need help finding a guesthouse that offers free wifi Question: Who has spoken the sentence 1? (A) User (B) System
Output:
Answer: (B) System