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. That's all I need. Sentence2: I was able to book it, reference number is T2SNWPJA Sentence3: Okay, the Mahal of Cambridge serves indian food and is located in the centre. Would you like me to make a reservation for you? Sentence4: I am happy to help, what was the name of the place? Sentence5: Its the huntingdon marriot. I'd like to book it for 8 people on 2 nights starting on wednesday, and I'll need a reference number. Sentence6: Can you help me look up a particular hotel that I have in mind? Sentence7: Great, thanks for that. I'm also looking for information about a restaurant called mahal of cambridge. Sentence8: Yes please book a table on Wednesday for 8 people at 17:15, I'll need a reference number. Sentence9: It was my pleasure to help. Have a wonderful night. Take care. Bye. Sentence10: Your booking was successful reference number is 1QVLVD25 Question: Who has spoken the sentence 3? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: No I have nothing in particular in mind. Sentence2: Thanks. I am also looking for somewhere to eat near the museum. I'd like to have Chinese food for dinner. Sentence3: Let's do a museum. Can you please send me the postcode, and phone number please. Sentence4: we can do Museum of archaelogy and anthropology, it is in university of cambridge, downing street. code number cb23dz. their phone number is 01223333516 Sentence5: There are 3 options. I recommend jinling noodle bar. Sentence6: Great, now can you also book a taxi for me? I need to make sure I get to the restaurant from the museum in time for that reservation. Sentence7: Booking completed! The car type is a black honda and the contact number is 07016630526. Can I help with anything else today? Sentence8: Thank you and enjoy the city! Sentence9: What time would you like? Sentence10: Thanks, that's it for now! Have a good day! Sentence11: There is lots to see in the centre. Were you looking for a certain type? Sentence12: Booking was successful. The table will be reserved for 15 minutes. Your Reference number is : YNWUFRQ4 . Sentence13: A moderate price range would be best. Sentence14: There are 10 Chinese restaurants in the centre. What is your price range, please? Sentence15: Would you be interested in architecture, a museum, or perhaps theatre? Sentence16: I'd like to find an interesting attraction in the city center. Sentence17: I would like to reserve it for 11:15 for 8 people. Sentence18: That sounds interesting. Can I get reservations for Thursday? Question: Who has spoken the sentence 5? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: No thank you, goodbye. Sentence2: Train TR9533 is going to Norwich on Sunday at 10:36 and arrives at 11:55. Would you like to book it? Sentence3: Is there anything else I can help you with? Sentence4: I'd like to find a museum in the centre of town, please. Sentence5: Yes, I am departing from Cambridge and need to arrive in Norwich by 11:00. Sentence6: I've found eleven different museums in the centre of the city. Would you like to hear about any in particular? Sentence7: TR4969 will leave Cambridge at 9:36 and arrive at norwich at 10:55. Would you like to book it? Sentence8: Actually, I would love it if you could give me a recommendation of one. And give me the postcode as well. Sentence9: Super. I need a train on Sunday going to Norwich, also. Can you help with this? Sentence10: Goodbye. Have a nice day. Sentence11: I would like to arrive by 11:00, if there is one available! Sentence12: The Museum of Archaeology and Anthropology is free, the postcode is cb23dz. Sentence13: No, that would be all. Sentence14: And just to confirm you'll be departing from cambridge? Question: Who has spoken the sentence 3? (A) User (B) System

Ex Output:

Answer: (B) System