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

[EX Q]: Sentence1: I have found 5 that fit that description. Is there a particular area you would like? Sentence2: I would like to book a table for 6 at 15:15 on Tuesday. Sentence3: Yes. I would like it to be in the expensive price range. Sentence4: Can you find me a Chinese restaurant please? Sentence5: Sure. There are 17 chinese restaurants in town. Are you looking for a certain price range or location? Sentence6: Thank you for contacting us and enjoy your meal at the hakka. Have a great day. Sentence7: Yes, thank you. That's all for now. Bye! Sentence8: I was able to get a table at Hakka in the north. The reference number is 7KW8MVL3 and they'll keep the table for 15 minutes. Does that suit you? Question: Who has spoken the sentence 1? (A) User (B) System
[EX A]: Answer: (B) System

[EX Q]: 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
[EX A]: Answer: (A) User

[EX Q]: Sentence1: What about the Gonville Hotel? It is an expensive hotel in the centre of town. Sentence2: Actually, I need it to be a hotel, not a bed and breakfast. Sentence3: Hotel Du Vin and Bistro serves European food and is moderately priced. Does this sound good to you? Sentence4: No. I just need it to be for three people, for three nights. Sentence5: What kind of moderately-priced restaurants are there in the center of town, then? Sentence6: It has been my pleasure. Have a nice day. Sentence7: The car is a black audi and the contact number is 07306125704. Is there anything else I can help you with today? Sentence8: No, I think that's all. You have been very helpful. Sentence9: We've got 21 moderately-priced restaurants in the centre. There are Asian Oriental, British, Chinese, European, Gastropub, International, Italian, Lebanese, Modern European, Spanish, and Turkish options. Do any of those interest you? Sentence10: Your booking is complete, reference number is AEDKGYBD . Anything else I can help you with? Sentence11: Yes please, could you find a hotel that offers free wifi in the same part of town as the restaurant? Sentence12: I am looking for a restaurant in Cambridge that serves south indian food. Sentence13: I am showing a total of five results that match your criteria. May I suggest the four star Alexander Bed and Breakfast, located at 56 Saint Barnabas Road? Sentence14: No thanks. How about a moderately priced modern European restaurant? Sentence15: Could I please get the car type and contact number of the taxi? Sentence16: I'm also looking for a taxi that arrives at the booked time of the restaurant. Sentence17: Good. I would like to try Asian Oriental then. Sentence18: The Yippee noodle bar meets your criteria. Would you like me to book that for you? Sentence19: Alright, I have a cab booked for you from the Gonville Hotel arriving at Hotel Du Vin and Bistro by 15:15. Anything else I can do for you? Sentence20: Sure thing! Your table is booked, and your reference number is SQ8N4IJX . Is there anything else I can assist you with today? Sentence21: I am sorry there are no restaurants in the are that match that description. Sentence22: There are 5 options that fit your criteria. Do you have a price range in mind or any other specifications? Sentence23: That sounds good can you book it for 3 nights for 3 people on saturday? Sentence24: Yes, thank you. Will you please make a reservation at the restaurant for 3 people on Saturday at 15:15 and provide me with the reference number? Question: Who has spoken the sentence 15? (A) User (B) System
[EX A]:
Answer: (B) System