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

Ex Input:
Sentence1: Thank you. Could you please get me the phone number? Sentence2: Yes, I was wondering what the location is of Addenbrookes Hospital. Sentence3: no, that's all thanks Sentence4: That hospital is located on Hills Rd, Cambridge. Sentence5: Happy to help. Feel free to call back if any additional questions come up. Have a good day. Sentence6: The main hospital phone number is 01223245151. Were you looking for a specific department? Question: Who has spoken the sentence 4? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: No thank you. That is great. Sentence2: Have a good day! Sentence3: There are three british restaurants in the west. What price range are you considering? Sentence4: Thanks! Sentence5: I'm looking for meals under 30$ a person. I need to book for 3 at 16:15 on Wednesday. Sentence6: The restaurant Saint Johns Chop House is the only restaurant to your specifications with a moderate pricing. Would you like me to make a reservation? Sentence7: Your booking is successful and your reference number is CZT3LA0M . Is there anything else I can help you with? Sentence8: Yes please and I will need a reference number. Sentence9: I am looking for a German restaurant in the west. Sentence10: Enjoy your time! Sentence11: There are no German restaurants available in the west. Would you like to try a different area or different food type? Sentence12: How about one that serves british food instead? Question: Who has spoken the sentence 11? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: Your reservation for 1 person on the TR7928 train was successful. Your Reference number is : KI1ILFP7 . Is there anything else I can help you with today? Sentence2: I can. The phone number is 01223355397. The postcode is cb23nz. Would you like more information? Sentence3: thanks too and goodbye Sentence4: That is the arrival time and total travel time for TR7928. Sentence5: it arrives at 12:07 and only a 38 minute ride Sentence6: What attractions can you recommend in the centre? Sentence7: The first train out after 09:30 is TR7928, leaving at 11:29. Sentence8: I need some quick information on trains from cambridge to bishops stortford. What can you tell me? Sentence9: That will work perfect can you book that for me please? Sentence10: No, that is all. Thank you. Sentence11: enjoy your stay Sentence12: Just myself. Please book me that train please. Sentence13: How many people will be travelling? Sentence14: We have lovely architecture. All saints church and holy trinity are quite nice Sentence15: thank you and welcome to Cambridge Sentence16: I love architecture. Can you please provide the phone number and postcode for Holy Trinity? Sentence17: I will need to go on Monday but I can't leave until after 09:30. Sentence18: Trains go from Cambridge to Bishops Stortford every 2 hours at 29 past the hour. What day will you be traveling, and at what time of day? Question: Who has spoken the sentence 16? (A) User (B) System

Ex Output:

Answer: (A) User