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: I am looking for a police station in Parkside Sentence2: Best wishes to you. Have a good day. Sentence3: No. That's all I wanted to know. Thanks. Sentence4: There is a police station in Parkside. The postal code is CB11JG and the phone number is 01223358966. Is there anything else I can help you with? Question: Who has spoken the sentence 2? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: I'm looking for places to go in town. Maybe a swimming pool? Sentence2: I can help with that. There are 4 swimming pools available; they're in east, north, and centre. Would you like more information? Sentence3: I am unsure of the entrance fee, you will have to call the venue's for prices, would you like the phone numbers? Sentence4: There are two Asian places, would you liked me to book one of them? Sentence5: Thank you for using our service, and enjoy your time in Cambridge! Sentence6: Yes, I would like the phone numbers. I am also looking for a cheap asian restaurant. Sentence7: What are their prices? Sentence8: Yes I have two options: Nusha and Tenpin. Interested in either? Sentence9: I booked a Yellow Skoda, contact number 07937936752. It will pick you up from J Restaurant and bring you to Tenpin. Will that be all today? Sentence10: Sorry, I'm a little confused. Are you looking for information on the attraction Tenpin, or one of the restaurants? Sentence11: The restaurant please. Sentence12: It doesn't matter. Sentence13: Well instead, how about some kind of entertainment in the southern part of the city. Sentence14: The phone numbers are 01223902158 for nusha and 08715501010 for tepin. What area would are you looking for the restaurant in? Sentence15: Thank you can I get the area, postcode, and address of tepin? Sentence16: j restaurant is located at 86 Regent Street City Centre, postcode cb21dp. Sentence17: No, that will be all, thank you. You have been very helpful and also patient. Have a great day. Sentence18: I also need their address and postcodes please Sentence19: What is the entrance fee for those two options? Sentence20: The prices for these restaurants are cheap. Sentence21: The telephone number for the Dojo is 01223363471 and the telephone number for the J restaurant is 01223307581. Sentence22: Great! I'll also need a taxi to go between the two. I'll need to leave the restaurant by 08:00. Question: Who has spoken the sentence 14? (A) User (B) System

Ex Output:

Answer: (A) User