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

Ex Input:
Sentence1: That would be TR5906 at 21:39 on Monday. Sentence2: The first train after 21:15 works for me. I need to book it for three people, please provide the reference number. Sentence3: Thank you so much for all your help. Sentence4: Great, have a wonderful day! Sentence5: Will you be needing anything else today? Sentence6: I am interested in cinemas specifically. Sentence7: There are 70 trains that leave from London Liverpool Street to Cambridge, what day and time would you like to leave? Sentence8: Excellent. I'd also like a train please. One that leaves from london liverpool street to cambridge. Sentence9: I can certainly book that for you! However, could you let me know what day of the week you'll be travelling? Sentence10: I'm looking for places go to in the south of town. Sentence11: No thank you. That is everything I need at this time. Sentence12: I have booked 3 tickets for you for 49.8gbp payable at the station. your reference number is ETOI91ON Sentence13: The Cineworld Cinema is in the South part of town. Their phone number is 00872208000. Would you like their address? Sentence14: I will be traveling on Monday, and I will need the reference number as well. Sentence15: Great! Thank you. What a relief. Sentence16: Yes, please give me the address and postcode. Sentence17: It's located at cambridge leisure park, clifton way and the postcode is cb17dy Sentence18: The attraction types in the south area are theatre, park, nightclub, museum, cinema, and entertainment. Which one are you interested in? Question: Who has spoken the sentence 6? (A) User (B) System

Ex Output:
Answer: (A) User


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: Thank you for contacting Cambridge TownInfo centre. Goodbye! Sentence2: I do not have any listings for 4-star hotels with free parking. Perhaps you would like to try a different star rating? Sentence3: Okay, there are several of those it looks like, are you also wanting to stay in the centre as well? Sentence4: Please try it for 2 nights. Sentence5: That booking was not successful. Would you like to try another day or a shorter stay? Sentence6: book for 2 people 3 nights from tuesday. i also want to book a taxi to leave the hotel by 13:30. get contact number and car type Sentence7: I have no preference besides colleges. Please recommend one. Sentence8: I was wondering if you had any colleges I could visit during my stay? Sentence9: I apologize it looks like there was a booking error. The huntingdon does not have availability. Would you like to try another hotel or length of stay? Sentence10: huntingdon marriott hotel is found in kingfisher way, hinchinbrook business park, huntingdon Sentence11: Yes, I'm looking for a place to stay with free parking and moderate prices. Sentence12: Excellent! I also need a taxi to go between the places. I want to leave the hotel by 13:30. Sentence13: That sounds great. Can I get their phone number please? Sentence14: Actually, there might have been an error int he system before. I booked the Huntington Marriott Hotel for 2 people, 3 nights, starting on Tuesday. Reference number is J4Z0CZ41 . Sentence15: How about a hotel that is the expensive price range? Sentence16: I booked a grey Skoda to pick you up. The contact number for the taxi is 07491898705. Sentence17: I have 18, what area would you prefer? Sentence18: Awesome! That's all I need. Thanks for your help. Sentence19: My favorite is Saint Catharine's College. It is in city centre, and they are free to enter. Sentence20: Okay, may I get a reference number please? Sentence21: How about for 2 nights Sentence22: Saint Catharine's college's phone number is 01223338300. Can I assist you with anything else? Sentence23: I was able to book your reservation for 2 days. Sentence24: No need, but I'd like a hotel, not a guesthouse, that's in the 4 star range. Question: Who has spoken the sentence 8? (A) User (B) System

Ex Output:

Answer: (A) User