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

[Q]: 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
[A]: Answer: (B) System

[Q]: Sentence1: We have 13 trains meeting your criteria. Do you have any idea how early you want to leave? The first train leaves at 11:32 and then every hour after that Sentence2: Are there any cheap options in the centre of town? Sentence3: We can take care of that too, but let's get your restaurant squared away first - in order to provide an address I'll need to know what type of cuisine? Sentence4: Whichever one you think is best please. Sentence5: to cambridge from broxbourne. i need to leave after 11:15 please Sentence6: Where will you travel too and from? Sentence7: Thank you for using the Cambridge TownInfo centre. Goodbye. Sentence8: excellent. I will need the train booked for 5 as well. Sentence9: It has been booked. You reference number is UCICW103 . Sentence10: I recommend the Dojo Noodle Bar. They're located at 40210 Millers Yard, City Centre. Sentence11: I will be traveling on Sunday. Sentence12: Hi. Can you help me find a restaurant? Sentence13: and what day will you be traveling on? Sentence14: The train should leave broxbourne after 11:15 so the 11:32 is a good choice. There are 5 of us traveling together. Please book. Sentence15: There are a lot of options in Cambridge. Can you please be more specific? Sentence16: Yes, there are chinese, asian oriental, indian, italian, spanish, portuguese, modern europe, and mediterranean available. Sentence17: Great. Thank you so much. Sentence18: Can I have the address? I am also looking for a train that leaves on Sunday to Cambridge. Question: Who has spoken the sentence 16? (A) User (B) System
[A]: Answer: (A) User

[Q]: Sentence1: Bye, take care Sentence2: There are 4 places to stay in the Centre area two are guesthouses and two are hotels. Do you have a type preference or price range? Sentence3: They both have free wifi and parking. Would you like me to book one for you? Sentence4: No problem, are there any college places? Sentence5: christ's college is in the centre, as are many other college's in fact. Sentence6: I am looking for a moderately priced hotel, that has a 4 star rating. Sentence7: Emmanuel college is free to visit and the postal code is cb23ap. Sentence8: You're welcome, let me know if I can help again. Sentence9: Please pick one, and tell me the entrance fee and post code. Sentence10: Hello, I'm looking for an attraction that is in the type of multiple sports and is located in the centre. Sentence11: I'm afraid we don't have any like that in the center. There's a cheap 4-star guesthouse and an expensive 4-star hotel. Would either of those work for you? Sentence12: You are quite welcome. Will you need a taxi to the hotel? Sentence13: I'm sorry. There is no multiple sports attraction in the center of town. Sentence14: Book it! Need 3 people for 5 nights starting Friday. Thank you. Sentence15: Awesome! Thanks for your help! Sentence16: Goodbye! Have a great stay in Cambridge! Sentence17: I also need a moderate place to stay, with free parking. Sentence18: Booking completed! Look for a black toyota at 22:45. Contact number : 07067597569 Sentence19: Thanks for your help. That's all I need. Sentence20: I booked 3 nights for 5 people at university arms hotel beginning friday . They are located at regent street and the phone number is 01223351241. Sentence21: Does it have free wifi at least? Sentence22: Yes please. I want to leave the attraction no later than 22:45. Question: Who has spoken the sentence 11? (A) User (B) System
[A]:
Answer: (B) System