You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Ex Input:
Sentence1: I am not looking for British, I am looking for scottish food. Sentence2: I am looking for something in centre of town then Sentence3: I'm sorry but there are no moderately priced Scottish restaurants in town. Would you like a different type of food? Sentence4: I've booked your reservation. Is there anything else you need? Sentence5: Yes I have many moderately priced venues in the center of town serving British food if you like. Sentence6: I am looking for a moderately priced Scottish restaurant Sentence7: I'm so sorry but it seems that I don't show any that will suit what you are looking for. Would you like to try a different price range or type? Sentence8: There is la tasca. They are located at 14 -16 Bridge Street. Would you like to book it? Sentence9: Can I have a reference number please? Sentence10: Thank you too, good bye. Sentence11: Thank you. Have a lovely day. Sentence12: Yes, it's XXNQ81IE . Sentence13: Yes, Could you look for a Spanish restaurant instead? Sentence14: Yes please. Could you give me a table for tuesday at 12:00 for 2 people please. Question: Who has spoken the sentence 12? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: How many tickets will you be needing today? Sentence2: That is all, thanks. Sentence3: I booked 4 tickets on train TR4187, your reference number is LXZWA3Q8 . A total of 66.4 GBP is payable at the station, can I help you with anything else? Sentence4: All right, the TR4187 leaves at 13:59 and arrives at 15:27. Would you like me to book that for you? Sentence5: I have some moderate priced hotels in the north and center. Do you have a location preference? Sentence6: Booking was successful. Reference number is : P39PYOK0 . Can I help you with anything else? Sentence7: Where will you be traveling from, and what day would you like to travel? Sentence8: Yes, please book it for me. Sentence9: I would like a moderate price hotel in Cambridge. Sentence10: I also need info on a train. It should arrive in london liverpool street by 16:30. Sentence11: I need 4 tickets, and the price and train ID Sentence12: I will be departing Cambridge on Friday. Sentence13: Either one is fine. I need to book it for 5 nights on Wednesday. There are 4 people. Sentence14: There are two 2 star hotels in the north part of town. Ashley Hotel and Lovell Lodge. Both include free internet and parking. Do you have a preference? Sentence15: I will work on that and be back with you in a moment. Sentence16: Sure. What is your price range and what side of town will you be interested in? Sentence17: Hi, I am planning a trip and could use some advice on a place to stay. Sentence18: I'm not concerned about the area but it doesn't need to include internet. Sentence19: You're welcome, let me know if I can assist with anything else. Sentence20: Let me know when your break is over. I'll need a reference number please. Question: Who has spoken the sentence 9? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: Yes, I'm also looking for a 4 star hotel, in any area, that includes free parking. Sentence2: No, I just need the price. Sentence3: That is no problem, you are looking at 14.32 pounds per person if you decided to go that route. Can I help with anything else? Sentence4: Sure, you have a time you want to depart or arrive by? Sentence5: I'm looking for a train going to broxbourne leaving on saturday. Sentence6: I have the TR5688 that will get you in at 18:01. Would you like to book it? Sentence7: Great thank you, that is all I need for now. Sentence8: Yes, I need to arrive in Broxbourne by 18:15. Sentence9: I have three hotels that match your criteria. Two are expensive and one is cheap. Do you have a preference of price? Sentence10: I don't have a preference of price but I'd like for it to be a guesthouse in the north. Sentence11: I have 7 great guesthouses in the north. May I suggest the kirkwood house? Sentence12: Okay I have your reference number and it is 8XF57Q08 . Sentence13: Sure, I'll try Kirkwood House. Make me a booking for 5 nights for a party of 5, checking in on Monday Sentence14: Thank you for using the Cambridge Town Info Centre Services. I hope you enjoy your time in Cambridge! Question: Who has spoken the sentence 10? (A) User (B) System

Ex Output:

Answer: (A) User