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

Sentence1: Yes, see if 15:00 is available. Sentence2: I am sorry, I was unable to reserve a table for that time on Saturday, would you like to try a different time slot? Sentence3: I need a guesthouse in the cheap price range. Sentence4: Yes, I am also looking for a restaurant called The Nirala. Sentence5: Do any of these hotels have 4 stars? Sentence6: Booking was a success! Sentence7: Any area is fine, but I'd like to book rooms for 8 people. We'll be staying 5 nights, beginning on Saturday. Can any of them accommodate that? Sentence8: I have many results for a cheap guesthouse, would you like to narrow it down to stay in a particular area of the town? Sentence9: Glad that I could be of service. Goodbye! Sentence10: I'd like to book a table there for 8 at 16:00 on Saturday, please. Sentence11: I was able to get you rooms at the Alexander Bed & Breakfast. Reference number is : HREOM15W . Can I be of further assistance today? Sentence12: The nirala serves indian food in the north side of town. It is located at 7 Milton Road Chesterton, phone 01223360966. Is there anything else I can help with? Sentence13: Could you please provide the reference number? Sentence14: Great - that's all I need today. Thanks for your help! Sentence15: Sure thing. The reference number is Z1YHIR0Y . Sentence16: Yes, in fact 7 of the 9 hotels in your search criteria have 4 stars. Would you like to narrow your search by area? Question: Who has spoken the sentence 4? (A) User (B) System
Answer: (A) User

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
Answer: (A) User

Sentence1: Sure, Gonville Hotel is a 3 star rating hotel located at Gonville Place. It offers free parking and free wifi. Would you like me to reserve a room? Sentence2: sure, where are you departing from? Sentence3: Unfortunately, I don't happen to have any places that are expensive in the north. Can I look for something else for you? Sentence4: TR1828 is leaving at 17:32, would you like to do that? Sentence5: Yes please. I need reservations for two people. Sentence6: Done! Your reference number is V43NQGH7 . Can I help you with anything else? Sentence7: Booking was successful, the total fee is 35.79 GBP payable at the station. Reference number is : 8BR3OQ5V . What else can I assist you with today? Sentence8: I'm sorry, but the north does not have anything to meet your needs. There are, however, 2 options that meet your needs in the centre. One 3 and one 4 star. Sentence9: Could you please double check to make sure? if that's really the case then try the center Sentence10: Yes, for 4 nights from Thursday, and 2 people. Sentence11: Departing from Broxbourne and leaving after 17:00. Sentence12: Thanks. I am also looking for an expensive place to stay in the north part of town. Sentence13: Can you help me find a train leaving on thursday going to cambridge? Sentence14: Can I get more info on the 3 star one? Question: Who has spoken the sentence 11? (A) User (B) System

Answer: (B) System