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

Ex Input:
Sentence1: I'm looking for a nice Italian restaurant. Nothing too expensive...like mid range? Sentence2: Nope, I think that will do it. Thank you so much! Sentence3: Okay, I have booked you at Pizza Express with reference number NK86VOJY . May I help with anything else? Sentence4: I don't care about the area. Could you book a table for 5 at 12:30 on Sunday? Sentence5: I have listing for 5 different ones,can I get what area you are looking for? Sentence6: You are welcome. Have a good day. Question: Who has spoken the sentence 2? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: There are 33 entries for expensive restaurants in the centre. Would you like to hear some options? Sentence2: As far as thai food goes, I happen to have one place. Good thing is they are very highly recommended. It is called Bangkok City. Would you like a reservation? Sentence3: Hello, I am looking for a restaurant. The restaurant should be in the centre and should serve modern eclectic food. Sentence4: Cambridge Contemporary Art is very nice. It's in the centre part of town, like the restaurant, and it's free to get in. Can I help you with anything else? Sentence5: No, that is all. Goodbye. Sentence6: Fantastic, can you also find me a museum attraction? Sentence7: Any type would be fine I just need to know the area and entrance fee of one you would recommend. Sentence8: Can you try booking at 15:45? Sentence9: Booking was successful. The table will be reserved for 15 minutes. Reference number is : 1NY7QJKY . Sentence10: Are any of them modern eclectic food? Sentence11: Yes, I'd like to book for 2 people at 16:45 on tuesday. Sentence12: Okay. Have a lovely day then. Sentence13: Dang...How about some Thai food instead Sentence14: There are several wonderful museums in town. Is there a specific area you prefer? Sentence15: Are there any other expensive restaurants in that area that may be nice to visit? Sentence16: There are no restaurants in that are would you like to try a different area? Sentence17: No, there doesn't seem to be any modern eclectic places at all. Would you like a different type of cuisine? Sentence18: I'm sorry, but they seem to be all booked up at that time. Would you like to try a different day or time? Question: Who has spoken the sentence 9? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: Sure, i would suggest going to the multiple nigh clubs that are in the centre and also located there are museums. does that sound like something you would like to experience? Sentence2: I'm also looking for a train from Cambridge to Stansted airport. Sentence3: Of course. The TR8363 would leave at 16:40 and arrive at 17:08. It would of course cost 8.08 pounds per ticket, and it would be a 28 minutes ride. Sentence4: There is a train: TR8363 that arrives at the airport by 17:08. How many people are traveling with you? Would you like me to book it? Sentence5: I would like to leave on Sunday and arrive by 17:15. Sentence6: Thanks for contacting Cambridge TownInfo centre! You have a great day! Sentence7: Thanks, that is all I need. Have a nice day. Sentence8: I have 5 museums that may interest you, 4 of them are free and 1 has an entrance fee of 2 pounds. Is there anything else I can help you with? Sentence9: What day and time would you like to leave? Sentence10: Can I get the travel time and departure time on that? Sentence11: Yes, I think we will go to the museums. Can I get the postcode for the museums and what do they charge for entry? Thank you. Sentence12: I'm planning my first trip to Cambridge and looking for places to go in the centre, can you give me some suggestions on what and where to go? Question: Who has spoken the sentence 5? (A) User (B) System

Ex Output:

Answer: (B) System