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

Ex Input:
Sentence1: Can I help you with anything else today? Sentence2: I am looking to get an address and entrance fee for a theatre. Can you search for one for me using the criteria I mentioned earlier? Sentence3: There is no specific area. Sentence4: Entrance fee is not mentioned. There are no restaurants in that area that fit your criteria. Is there something else I can look up for you? Sentence5: Yes, get me a table for 3 at 15:30 on Saturday. Sentence6: Fantastic, have a great day! Sentence7: Is there a entrance fee? I am also looking for a cheap north american restaurant to dine at on the east side. Any recommendations? Sentence8: No that will be all! Thank you! Sentence9: Hi, can you please give me information on theatres in town? Sentence10: The Missing Sock is an international restaurant in the East and has a cheap price range. Would you like a reservation? Sentence11: I have made those reservations and the reference number is Y40MJDC0 . Sentence12: I have 5 theaters located in the centre and south which area would you like? Sentence13: Are there any serving international cuisine in the same area and price range? Sentence14: Great, thanks for your help! Sentence15: I see. What sort of information can I help you with? Sentence16: The address for adc theatre is park street. Question: Who has spoken the sentence 7? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: Thanks for the help, bye! Sentence2: I have many varying from moderate to expensive in price range. Do you have a preference? Sentence3: Have a great day! Sentence4: Certainly, I have booked your car, it will be a yellow skoda the contact number is 07839693090. Is there anything else I can assist with? Sentence5: Yes. I am looking for a college as a place to go in town. Sentence6: I recommend Tandoori Palace, would you like me to book a table for you? Sentence7: Tandoori Palace is located at 68 Histon Road Chesterton, postcode cb43le. Their phone number is 01223506055. Is there anything else I can help you with? Sentence8: I would recommend Clare Hall would you like to visit that? Sentence9: No, that is all. Thank you! Sentence10: Yes, please. Can you book a taxi for me? I'll be heading from Clare Hall to Tandoori Palace, and I'd like to be picked up at 18:15. Sentence11: I'm looking for a restaurant in the west that serves Indian food. Sentence12: I don't need a reservation, but could you give me their address, postcode, and phone number, please? Sentence13: What do you have in the expensive price range? Sentence14: Clare College is located on Trinity Lane in the west area of the city. The entrance fee is 2.50 pounds. Is there any other information I can get for you? Sentence15: Glad we could be assistance. Sentence16: Sure, but first I'll need to know the entrance fee, area, and address. Question: Who has spoken the sentence 11? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: Does the train leave on Friday? Sentence2: It was my pleasure to help you today. Enjoy Cambridge and text us back anytime! Sentence3: There are quite a few options open to you, is there a particular destination you have in mind? Sentence4: Your table is reserved for 10:15. Your table will be held for 15 minutes. Your reference number is : 3H26GVJV . Is there anything else I can help you with? Sentence5: Great, thanks. Can you also provide me with some info on a restaurant called Travellers Rest? Sentence6: No, that is all that I needed. Thank you for your help! Sentence7: I would like to go to broxbourne Sentence8: There is no train leaving at 21:45, but there is train departing at 21:59 do you want that train? Sentence9: Could you please make a reservation for us at 11:15 on the same day? Sentence10: How about 10:15? Sentence11: Yes, the 22:01. Book that for 2 people. I need the reference number too. Sentence12: I apologize. That train does not leave on Friday. For Friday, I have two trains. One departs at 22:01 and the other at 23:01. Does one of these work? Sentence13: I'm unable to make that reservation for that time. Would you like to try a different time? Sentence14: Your reservation is confirmed forTR9312 Leaving Cambridge at 22:01, arriving in Broxbourne at 23:01. Your reference number is 59C0U68K . Total fee is 35.79, which is payable at the station. Sentence15: Absolutely! That is a British restaurant on the west side of town. It is considered to be in the expensive price range. Sentence16: Hello, I'm looking for a train that departs from Cambridge and leaves after 21:45. Question: Who has spoken the sentence 2? (A) User (B) System

Ex Output:

Answer: (A) User