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

[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: No thank you. Im finished. Sentence2: Allenbell is my favorite. It has four stars. The phone number is 01223210353. Shall I book that for you? Sentence3: Is there anything else I can help you with? Sentence4: I found 10 places, do you have a hotel style preference of gueshouse or hotel, or an area you prefer? Sentence5: You're welcome. How many people are in your party, and when will you arrive? Also, how long would you like to stay? Sentence6: I'm looking for a cheap place to stay that does not need free parking. Sentence7: It sounds fine. Do any of them include free wifi? Sentence8: There are three cheap guesthouses in the east area, however, they all have parking. Will this be okay, or would you like to look at a different area or price? Sentence9: Okay. Have a good day. Sentence10: That'd be great. Thank you. Sentence11: All of them include free wifi. Sentence12: What's the phone number and star rating of your favorite one? Sentence13: I will book on my own, thanks. Sentence14: I don't have a preference for the type but I would like a place in the east. Question: Who has spoken the sentence 7? (A) User (B) System
[EX A]: Answer: (B) System

[EX Q]: Sentence1: sure theres two hotels, 01223525725 and 01223351241 Sentence2: Yes, which one is the best? Sentence3: We have 5 hotels available that are located in the centre of town. Sentence4: Thank you. Goodbye! Sentence5: No, not at this time. I just needed the information. Thank you and have a nice day. Sentence6: Their phone number is 07782218745 and the post code is cb12jb. What sort of hotel are you looking for and in what area? Sentence7: Are there any outdoor festivals or activities? I'll need the postcode and phone number. Sentence8: There are 79 activities in the town center. How may I help narrow your search? Sentence9: Ok, please give me Club Salsa's postcode and phone number. I also want to find a hotel in the same area. Sentence10: Are there any nightclubs in the centre? Sentence11: What are their names? Sentence12: Club Salsa looks good. Sentence13: What kind of attraction are you interested in? Sentence14: I'm looking for a hotel in the centre of town. Sentence15: I'm looking for a place to go in the centre of town. Sentence16: There are 5 nightclubs in the centre. Would you like a recommendation? Sentence17: They are Alexander Bed and Breakfast and University Arms Hotel. Do you have a preference? Sentence18: Which hotels are rated 4 stars and offer free parking? Can I have a phone number for those hotels? Question: Who has spoken the sentence 9? (A) User (B) System
[EX A]:
Answer: (B) System