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

Q: Sentence1: I need to leave on Wednesday sometime after 16:30. Sentence2: There are 21 guesthouses that include parking. Is there a price range or area you would like to stay? Sentence3: I need some help choosing a train from Cambridge to London King's Cross. Sentence4: It doesn't matter, we will also need wifi, and will be staying for 2 nights, starting on Monday. Sentence5: That sounds great. Can you go ahead and book it for me? Sentence6: I would recommend the Alexander Bed and Breakfast then. Sentence7: Your welcome! Please have a nice day! Sentence8: I have a train leaving at 17:00 and arriving at 17:51 would you like to book this? Sentence9: That's lovely. We also require lodging. Could you help find a guesthouse with free parking? Sentence10: Thanks so much! I'm all finished now, goodbye! Sentence11: Yes please make a booking for 3 people. Sentence12: Alright I booked it. Reference number is I5AR5Q3J Sentence13: The booking was successful. Reference number is : IGMRVY4Y Sentence14: The next train leaves Cambridge for London Kings Cross on Friday at 05:00. What day do you want to travel? Question: Who has spoken the sentence 9? (A) User (B) System

A: Answer: (B) System
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Q: Sentence1: Booking was successful for Tuesday. Your Reference number is : 0J3V1091 . Sentence2: I'm sorry that doesn't seem to be available would you like me to try a different day or guesthouse? Sentence3: I'm sorry, there does not seem to be a historical site or hiking area in Cambridge. Is there anything else I can help with? Sentence4: Sure, I can help you with that. What section of town were you looking for? Sentence5: Doesn't really matter if they offer either of those or not. I just want it to be a 0 star hotel. Sentence6: Then the city centre north b and b is what you want, shall I book you? Sentence7: i don't really care about the area. Sentence8: I want to see local sights, can you help? Sentence9: I like hiking and seeing historical sites. Sentence10: Okay. Are you interested in hotels that offer internet and/or parking? Sentence11: Yes, I would like to find a hotel in the cheap price range? Sentence12: Yes, a guesthouse is fine. I was looking for zero stars and in the cheap price range. Sentence13: Great, thanks. I don't need anymore help. Goodbye! Sentence14: Yes, please book it for me. Sentence15: I'm sorry, I seem to be having an error in my system. You want a booking at the citycentre north B&B for 6 people, 5 nights, on Monday? Sentence16: I'm also looking for somewhere to go. Perhaps the college. Can you tell me the postcode for the college? Sentence17: City Cenrtree North and B is a cheap hotel,would you like me to book it for you ? Sentence18: Let book the same but on Tuesday instead. Sentence19: I'm happy I could help today. Goodbye! Sentence20: There are 18 colleges in town. I recommend christ's college in the centre. The postcode is cb23bu. Sentence21: Yes, there is a wide variety, do you have an activity type that your are interested in? Sentence22: Yes please, 6 people for 5 nights and we would be arriving Monday. Question: Who has spoken the sentence 21? (A) User (B) System

A: Answer: (B) System
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Q: Sentence1: The booking was successful, and your reference number is 0OGAX9RA . Sentence2: curry prince is a nice place. Do you want to book ? Sentence3: 2 people will be staying. Can you give me the reference number too? Sentence4: That sounds perfect. I need that for 5 nights. Sentence5: Thanks, that's all I needed today. Goodbye! Sentence6: I found 3 that match that criteria. I would recommend the Carolina Bed and Breakfast which is four stars. Would you like a reservation? Sentence7: Okay. Can you tell me what day you'll be arriving? Sentence8: Booking was successful. The table will be reserved for 15 minutes.Reference number is : LDY1DUF0 . Sentence9: I really would like to try some Indian food while in town so please find me a restaurant that serves it on the East side Sentence10: Yeah. I'd like a table for 2 people on tuesday at 13:45. Sentence11: I'd like reservations for Tuesday. Sentence12: There are 33 options for lodging in town. Do you have a preference for type, area, pricerange, or star rating? Sentence13: I would also like to get a place to stay too. Sentence14: How many people will be staying? Sentence15: Okay, you are welcome! Have a good stay! Sentence16: Same area as the restaurant, moderate price range, and it doesn't have to have free parking. Question: Who has spoken the sentence 14? (A) User (B) System

A:
Answer: (A) User
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