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

Ex Input:
Sentence1: Booking was unfortunately unsuccessful. Can we try another day or a differen't time slot? Sentence2: Yes, please book a table for 4 people at 19:00 on Sunday. Thank you. Sentence3: Do you have anyplace that serves Chinese food? Sentence4: OK I will go with Italian food and pick the Pizza hut cherry hinton. Thank you for your help. Sentence5: Have a great day! Sentence6: Good news! Your reservation has been booked for Sunday at 18:00 for 4 people. The reference number is YJ0B5W19 . Is there anything else I can help you with? Sentence7: There are 2 options. Pizza hut cherry hinton serves Italian food and Restaurant alimentum serves modern European food. Sentence8: Would you like me to book that for you? Sentence9: I'm sorry, there are no Chinese restaurants located in the south that is moderately priced. Sentence10: How about 18:00? Sentence11: Hello. Could you help me locate a good moderate restaurant in the south of the city? Sentence12: That is all! Thank you! Question: Who has spoken the sentence 10? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: No but I would like the phone number. Sentence2: You're very welcome! Have a great day! Sentence3: We have La Tasca, at 14 - 16 Bridge Street. Would you like a reservation? Sentence4: Awesome. Can you give me some information on local theatres? Sentence5: There are some entertainments available do you want the information? Sentence6: The phone number is 01223464630. Is there anything else I can help you with? Sentence7: I was unable to find any in that area, do you have any other place you'd like to try? Sentence8: That is all, thanks. Sentence9: I'm interested in getting some entertainment later. Sentence10: Can you give me the address, phone number, and entrance fee info for the one in the south? I also need a restaurant that is moderately priced in the centre. Sentence11: Thank you. Can you help me find a moderately-priced Latin American restaurant in the centre? Sentence12: The theatre is called, The Junction. It is located at Clifton Way, cb17gx. The phone number is 01223511511. I'm not sure if there is an entrance fee or not. Sentence13: Actually, let's try another kind of food. How about spanish? Sentence14: There are 5 theatres one in the south and 4 in the centre. Is there an area you prefer? Question: Who has spoken the sentence 10? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: Yes, please provide a suggestion. Sentence2: Can you find me a good restaurant in the city centre? Sentence3: Okay, how about Eraina that's on Free School Lane City? Sentence4: Sounds great. Would you book me a table for 8, for Monday at 19:00? Sentence5: There are 11 museums is that area. The great thing is they are all free. Do you want additional information on any of them? Sentence6: Thank you so much for all your help. Sentence7: They are all located in the centre the same as the restaurant. Would you like me to recommend one? Sentence8: Are there any entertainment venues near the restaurant? Sentence9: Your table is booked! Reference #: GV2YF6H5 . The table will be reserved for 15 minutes. Can I assist you with anything else today? Sentence10: You are welcome. Enjoy your time in Cambridge. Goodbye. Sentence11: What area are they in? Sentence12: The fitzwilliam museum has amazing art and sculpture. The address is trumpington street and the phone number is 01223332900. Do you want more information? Sentence13: Your red toyota has been booked and its contact number is 07932820731. Sentence14: there are quite a number. what is your price range? Sentence15: The attraction should be in the same area as the restaurant and should be in the type of entertainment. A museum Sentence16: I will also need a taxi from the attraction to my dinning. Sentence17: I don't really have one but would like to try a European restaurant. Sentence18: There are 44 options available. Is there anything particular you are interested in ? Question: Who has spoken the sentence 15? (A) User (B) System

Ex Output:

Answer: (B) System