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

Example Input: Sentence1: Alright. I booked your train leaving Cambridge at 19:34 and arriving in Peterborough at 20:24. The reference number is A8T38EJZ . Sentence2: Cityroomz is a moderately priced hotel with internet. Would that work for you? Sentence3: What day are you traveling, and to which station? Sentence4: Thanks, have a good day. Sentence5: You, too. Goodbye. Sentence6: Okay. Call us back if you need me to book anything for you. Sentence7: Yes that will work. Can I get the hotel's phone number? Sentence8: We have 30 such entries. Do you have a time you'd like to leave by? Sentence9: Sure thing, their number is 01223304050. Is there anything else I can help you with today? Sentence10: Any time is fine as long as I can book for four people. I also need the reference number, please. Sentence11: I'll be traveling on wednesday, and I will be go to peterborough. Sentence12: There are 9 different hotels that have free wifi that aren't guesthouses, do you have a price range in mind? Sentence13: No particular price range but I would like it to be in the centre. Sentence14: Thanks. I'm also looking for a hotel (not a guesthouse) with free wifi. Sentence15: No, that will be all, thank you for your help! Sentence16: I need a train departing from cambridge and arriving by 20:45. Question: Who has spoken the sentence 14? (A) User (B) System
Example Output: Answer: (A) User

Example Input: Sentence1: Are there any with a 5 star rating? Sentence2: I'm looking for a place to stay with free wifi. Can you help me find something moderately priced? Sentence3: You are booked at the acorn guest house. Reference number is ROCCFCM6 . Sentence4: Thank you so much, that is all I need. Sentence5: Unfortunately, none of them have a 5 star rating. Sentence6: Are there any with a 4 star rating? Sentence7: We have plenty of moderately priced options with free WiFi. Do you have any additional preferences? Sentence8: Oh yes, several. Are there any addition preferences on those? Sentence9: Great, enjoy your stay. Bye. Sentence10: Nope, any 4-star moderate place with wifi will be fine. Could you book a room starting Saturday for 3 nights, 5 people? Question: Who has spoken the sentence 6? (A) User (B) System
Example Output: Answer: (A) User

Example Input: Sentence1: Have a wonderful trip. Sentence2: Is there anything else I may do for you right now? Sentence3: There are 6 results. Is there a certain area you'd like? Sentence4: Fantastic, how many people do you need tickets for? Sentence5: Thank you again, good day to you. Sentence6: Absolutely. Your reference number is NS4A5CJT . Your table will be reserved for 15 minutes. Anything else I can help you with? Sentence7: What is the ticket price? Sentence8: Yes, I require the booking, as well as the reference number emailed or faxed to me. Sentence9: I need to find an expensive british place to dine. Sentence10: I don't think I want to book it just yet, I am still getting a head count. Sentence11: I'm heading to Cambridge, I would like to make it to London Liverpool Street by 8:00 if possible. Sentence12: The fare is 16.60 pounds. Need a booking? Sentence13: TR7020 departs Liverpool Street at 05:39, arriving in Cambridge at 07:07. Would you like a ticket? Sentence14: Sure- where are you traveling to? Sentence15: Could you please provide me with the reference number for the reservation? Sentence16: I look forward to my visit. Thanks, again. Sentence17: 6 british restaurants, wow! I need a table for 2 at 12:00 on wednesday. No particular area Sentence18: I need a train too. I will be leaving from London Liverpool Street, can you help with that? Sentence19: I have booked a table for you at Graffiti on the west side of town. They are located at Hotel Felix Whitehouse Lane Huntingdon Road and phone number 01223277977. Sentence20: That was all that I needed thanks. Question: Who has spoken the sentence 9? (A) User (B) System
Example Output:
Answer: (B) System