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

Sentence1: I would prefer the north please. Sentence2: I have found 13 of them. Can you please be more specific about what you would like? Sentence3: I'd like to find a college to visit in the center of town. Sentence4: No thank you that will be all Sentence5: I would suggest the acorn guest house it is a great place to stay. Sentence6: That will be fine. I'll need to book for Saturday, 3 nights, and 1 person. Sentence7: You're all set! Your reference number is 41BK9PC7 . Sentence8: moderate price range thank you Sentence9: There are 32 hotels that offer free internet, is there a price range or area you prefer? Sentence10: Actually one more thin, I need a taxi from the hotel to the restaurant, I want to leave at 09:45. Sentence11: Thank you! Can you also help me find a place to stay with free wifi? Sentence12: I narrowed it down to 17. What part of town would you prefer and do you want free parking? Sentence13: No that will be it for today. Sentence14: I recommend Emmanuel college. Their address is saint andrew's street Sentence15: Okay, I booked a yellow honda and their contact number is 07225232221. Do you need help with anything else? Sentence16: You can choose one for me and give me the address. Question: Who has spoken the sentence 7? (A) User (B) System
Answer: (B) System

Sentence1: Okay, thank you. I would also like to go to a museum while I'm in town. Could you give me some information on possible options? Sentence2: You're very welcome. Have a good day, goodbye. Sentence3: No thank you. Could you recommend your favorite museum? Sentence4: Yes I am looking for a place to stay that includes free wifi. I would prefer a guesthouse. Sentence5: I have found several guesthouses is there a particular are you wish to stay in? Sentence6: There are many different museums available. Is there a certain area you would prefer? Sentence7: I have the El Shaddai in the center that is cheap and has a 0 star rating. Would you like a booking? Sentence8: The Broughton House Gallery is a lovely museum in the centre of town. It's located at 98 King Street cb11ln and has free entrance. Their phone is 01223314960. Would that work? Sentence9: Your reference number is 0E0R0NEJ . Sentence10: Yes they sure do. Would you like me to book you a room? Sentence11: Yes that will be fine. I will be needing accommodations for 5 adults for a total of 4 nights 5 days beginning Sunday. Include reference number. Sentence12: I am looking for a cheap hotel with a rating of 0 out of 5 stars. Sentence13: Actually, yes, that's great. You've answered all my question wonderfully, thank you. Bye! Sentence14: Does the El Shaddai include free wifi? Question: Who has spoken the sentence 3? (A) User (B) System
Answer: (B) System

Sentence1: Would you like me to book you a train, or possibly a taxi? Sentence2: The travel time on train TR8070 is 105 minutes. Would you like me to book this for you? Sentence3: The avalon meets your requirements. Would you like reservations? Sentence4: No, but I would like a 4 star rating. Sentence5: What is the earliest you would be like to leave by? Sentence6: Thank you! You as well! Sentence7: Will you be needing parking and/or internet? Sentence8: How about 9:09 will that work for you? Sentence9: No I don't have a leave time preference. Just not too early if I don't have too. Sentence10: I don't need anything further. Sentence11: No but I am also looking for a place to stay in a moderate price range. Sentence12: It is indeed a guesthouse, and I booked it for you. Your reference number is 2QPHXXOJ . How else can I help? Sentence13: That might be too early. Sentence14: Have a nice day. Sentence15: I'll take the one that leaves at 9:09. It's fine. What is the travel time on that train? Sentence16: Thank you for contacting us have a nice day. Sentence17: Thank you for making that reservations. Sentence18: Is there a time you would like to leave by? Sentence19: I'm looking for the train which arrives in Cambridge from Leicester. It should arrive by 19:30 Sentence20: Parking and internet are not of interest to me really. Sentence21: Hello, do any trains run on Saturday? Sentence22: There are several in the moderate price range. Do you have a certain area in mind? Sentence23: Yes, we have many trains that operate on Saturday. Would you like to book one? Sentence24: Is the Avalon a guesthouse? If so, yes I would like to book for Saturday for 6 people, 4 nights. Question: Who has spoken the sentence 11? (A) User (B) System
Answer: (B) System