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

Ex Input:
Sentence1: Enjoy your day. Good bye. Sentence2: The address is colville road, cherry hinton. Sentence3: That is all I need, thank you. Sentence4: Sure, I can get you aboard a 15:21 arriving at 17:06. Would you like me to book a seat aboard TR9839? Sentence5: Sounds good. What is the postcode, please? Sentence6: You're welcome! Have a great day! Sentence7: Of course. The Cherry Hinton Village Centre has multiple sports in the east end of town. Sentence8: There are quite a few running all day to many different stations. Where would you like to go? Sentence9: I need a train leaving cambridge on thursday. Sentence10: I would like to go to Leicester and get there by 18:45 Sentence11: The postcode is cb19ej. Is there anything else I can help you with? Sentence12: Good bye. Sentence13: Thank you for using our service. have a good day! Sentence14: Oh wait! Before you go, can you give me some information on the cherry hinton village centre? Sentence15: Yes, may I have their address, please? Sentence16: Not right now. Thanks for the information though! Have a great day! Goodbye. Question: Who has spoken the sentence 4? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: Great. I booked six tickets on TR4095 departing at 11:35 and arriving in cambridge at 11:52. Your confirmation number is W6PWPYOP . Sentence2: I need to book a train for Monday from Ely to Cambridge to arrive by 14:00 for 6 people. Sentence3: What time would you like to leave by? Sentence4: That is all I needed, good day to you. Sentence5: Anytime as long as i arrive by 14:00. Can you provide me with a reference number after booking? Sentence6: Have a great day! Question: Who has spoken the sentence 1? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: No thank you. But could you please get me the phone number and postcode for Williams art and antiques? Sentence2: You have already been booked at a nearby African restaurant, Bedouin, on Wednesday at 17:00. Are you interested in an additional restaurant? Sentence3: The Bedouin is unusual and expensive. Cote offers the more standard, but elegant French cuisine. Is location a concern? Sentence4: Great, thanks! Is there a restaurant nearby? Sentence5: want to book a table for 8 people at 17:00 on wednesday and I need a reference number Sentence6: I'm looking for a restaurant that's on the pricier end, I want to impress some people. Is there something you'd recommend? Sentence7: That would be perfect. What do you recommend? Sentence8: It was a pleasure serving you, goodbye! Sentence9: Booking was successful. The table will be reserved for 15 minutes. Reference number: PLFTP5GS . Sentence10: There are many attractions in that area. Do you want something that is free to the public? Sentence11: I'm also looking for an attraction near the restaurant. Do you recommend anything? Sentence12: Of course! Williams Art and Antiques is located in the city centre, postcode cb12lj. You can reach them at 01223311687. Can I help you with anything else? Sentence13: No thank you that will be all Sentence14: Williams art and antiques is free to the public. Located in the centre and it is a museum. Question: Who has spoken the sentence 1? (A) User (B) System

Ex Output:

Answer: (B) System