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

[Q]: Sentence1: The autumn house is a cheap guesthouse located in postcode cb58rs. The phone number is: 01223575122. Are you sure I can't help you with a reservation? Sentence2: I am unable to book you for that time. Would you like a different day? Sentence3: There are 7. Would you like to stay in a guesthouse, or a hotel? Sentence4: No thanks. I just need the price range, postcode and phone number. Sentence5: Awesome, thanks for your patience and thank you or visiting cambridge. Sentence6: I am a big fan of British food. Do you have an expensive one in the east? Sentence7: Monday just became available so I booked it before someone else does. Let me know if that won't work for you. The table will be reserved for 15 minutes. Reference number is : CAMFOFY8 Sentence8: are there any expensive restaurants? Sentence9: I need to find a place to sleep on the east side, it doesnt matter is the parking is free or not. Sentence10: How about 12:00? Sentence11: Could you try Wednesday? Sentence12: That isn't available either. Would like to try a different time of day? Sentence13: I'd recommend the Autumn House. It's a guesthouse in the east. Would you like to book a room? Sentence14: Yes the are some in the East,what type of food do you like ? Sentence15: Great!! Thank you so much. That's all I need today. Sentence16: I think a guesthouse would be more personal. Sentence17: there are no russian restaurant in the east Sentence18: The Grafton Hotel Restaurant is a British restaurant in the East area, would you like me to book it for you? Sentence19: No thank you. Could you tell me about Russian restaurants in the east? Sentence20: Yes please book it for Monday at 12:00 for 4 people please. Question: Who has spoken the sentence 6? (A) User (B) System
[A]: Answer: (A) User


[Q]: Sentence1: maybe, give me the address of one please Sentence2: There are several college's in the centre. How about Saint Catharine's College? It is on King's Parade and has free admission. Sentence3: I have train TR3343 arriving at london kings cross tuesday at 7:00. Shall I book that for you? Sentence4: Hi, I'm trying to find a place to go in the centre. A college would be fun to visit! Sentence5: Where will you be departing from, and what day would you like to travel? Sentence6: Yes, I need 4 tickets please. Please send me the reference number. Sentence7: Great! I would be happy to help you find one. Are you looking for one with free admission? Sentence8: Have a nice day and thank you for contacting us. Sentence9: Your tickets have been reserved, and just to clarify, that train departs at 07:00, and arrives in London, Kings Cross at 07:51. Wouldn't want you to miss the train! Ref#: AQDCG6N8 Sentence10: I'll be departing from Cambridge, and would like to leave on Tuesday. Sentence11: Thank you. I also need a train to London Kings cross, arriving by 9 Sentence12: OK thank you that is all I needed today. Question: Who has spoken the sentence 2? (A) User (B) System
[A]: Answer: (A) User


[Q]: Sentence1: I would like something in the north and has free wifi and free parking if possible. Sentence2: Can you book the Acorn Guesthouse for Thursday? Sentence3: Actually that is all. Have a lovely day. Sentence4: Thanks. Bye now. Sentence5: You've been booked and your reference number is V69YHH10 . Sentence6: I have the Acorn Guesthouse, Arbury Lodge Guesthouse, and Archway House in that area all with free wifi and parking. Can I book one of these for you? Sentence7: How many stars would you like? Sentence8: Excellent! Thank you! Sentence9: Four stars please. Sentence10: Is there anything else I can help you with? Sentence11: Great, I need it for 5 people for 3 nights, and let me know the reference number. Sentence12: I'll be happy to. How many people in your party? And how many nights will you be staying? Sentence13: Thank you. Have a great day. Sentence14: Hi, I am looking for a r star place to stay that has free wifi. Sentence15: I have 21 that have 4 stars, 18 are guest houses and 3 are hotels. Do you have a preference to area or type of place? Sentence16: Here is the address and telephone number of the hotel, so can arrive without any problem. Question: Who has spoken the sentence 11? (A) User (B) System
[A]:
Answer: (B) System