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: I'm sorry, I didn't get any matches for that. Sentence2: cityroomz is a 0 star hotel located in the city centre. It doesnt have free parking but does have free wifi. The phone number is 01223304050. Sentence3: I also need a place to stay in the same price range. Sentence4: yes there are 21 of them. which food type do you prefer? Sentence5: Great Can I have their phone number and postcode please? Sentence6: Okay, how about some European food? Sentence7: Thanks so much that was all I needed. Sentence8: I would like for it to be in the same area as the restaurant. Sentence9: I was really hoping to try some austrian food. Sentence10: Great thank you so much for using our system today? Sentence11: What about the hotel du vin and bistro at 15 - 19 Trumpington Street? Sentence12: What area would you like it to be in? Sentence13: 01223227330 cb21qa, is there something else i could help you with? Sentence14: Is there a moderately priced restaurant in the centre? Question: Who has spoken the sentence 10? (A) User (B) System
Output:
Answer: (A) User