Detailed Instructions: 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 all I needed thank you. Sentence2: Before I continue with the train details, was Travellers Rest booked? I didn't get a reference number. Sentence3: Is one of those expensive? If so, book me a table there for Thursday for 8 people at 13:30 please. Sentence4: No. I said eritrean food. Do yo have something? Sentence5: Would you like European food? Sentence6: There are many restaurant options available to you. What type of food would you like to eat and what is your price range? Sentence7: I don't have anything that meets those requirements. Sentence8: There's actually two expensive places, graffiti and travellers rest. Which would you prefer? Sentence9: I am also looking for a train from Cambridge on Wednesday. Sentence10: Travellers Rest sounds good. Sentence11: I would like a restaurant that serves eritrean food and in the expensive price range. Sentence12: Yes I have three. When would you like the table reserved for and for how many? Sentence13: How about British food? Sentence14: ok the address is huntingdon road in city centre, the phone # is 01223276182, and the postcode is cb30df. will there be anything else ? Sentence15: I want to dine in a place in the west. Sentence16: My sincerest apologies for that. Yes, your booking is completed and the reference number is 64UQ7M3G Sentence17: You're very welcome! Have a great day! Bye! Sentence18: what is your destination? Question: Who has spoken the sentence 12? (A) User (B) System
A:
Answer: (A) User