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

Ex Input:
Sentence1: I have the TR4849 train leaving Ely at 13:35 on Monday. Sentence2: How about cityroomz? It is located in the centre of the city, is moderately priced, has 0 stars, and has free wifi. I think it would be perfect ofor you! Sentence3: Perfect, could you also assist me in finding a place to stay? Sentence4: What will be my arrival time in Cambridge and what is the ticket price, please? Sentence5: You're welcome. Have a great day. Good bye. Sentence6: You are booked and your reference number is QUJQMRK7 . Can I help you with anything else? Sentence7: That is everything, thank you for your help. Sentence8: From where will you be departing? Sentence9: I'm looking for a train that goes to cambridge, leaving after 12:30 on monday Sentence10: I am leaving from Ely. Sentence11: Oh I'm not picky on the area. I definitely need free wifi, moderate price, and 0 stars though. Sentence12: That's perfect I need it booked for 8 people for 5 nights starting on Monday. Sentence13: I sure can. What area would you like to stay? Sentence14: The price is 4.40 pounds. You will arrive at 13:52. Question: Who has spoken the sentence 2? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: Could you look again for places that serve North American food in the West. Sentence2: I have 4 trains that meet your needs. Would you like to book tickets? Sentence3: Great! I also need to have some north american food in the west part of town. Sentence4: I am looking for information in Cambridge. Sentence5: Booking was successful, the total fee is 8.8 GBP payable at the station . Reference number is : 8BUQLIK8 . Sentence6: Great that was all I needed today, thank you Sentence7: How about an intalian restaurnat in the west area? Sentence8: You are booked the reference number is 3ICEL34F, can I help with anything else? Sentence9: I have two. One is moderately priced, and one is cheap. Do you have a preference? Sentence10: I'm sorry, we don't have any north american restaurants in the west area. Would you like to try a different type of food? Sentence11: What type of information are you looking for? I can helpp with dining, hotels and entertainment. Sentence12: You're very welcome! Have a great day. Sentence13: The moderately priced one will be fine. I'll need it booked for the same day, same people, and at 10:15. Sentence14: book for 2 people and get me the reference number Sentence15: The only north american restaurant in the city is in the centre. Would you like more information about that? Sentence16: I need a train on friday going to ely from cambridge arrival by 13:00 Question: Who has spoken the sentence 13? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: Okay, but do you still need a taxi? Sentence2: In the centre please Sentence3: Is there a gastropub in that area instead? Sentence4: Going from El Shaddai to the Cow Pizza Kitchen and Bar, and I need to arrive in time for my reservation at the restaurant. Sentence5: Does it have internet? Sentence6: Yes, let's book a table for 6 people at 14:45 on tuesday. Sentence7: Could I have the phone number and type of hotel? Also need a taxi to the restaurant and arrive by the booked time. Provide the contact number and car type. Sentence8: i also need a hotel room for two nights and 1 person and must have free parking Sentence9: yes i want to book a taxi to commute between the two places. Sentence10: Yes, we have one and it's called The Cow Pizza Kitchen and Bar. Would you like for me to book a reservation for you? Sentence11: The phone number is 01223327978. Sentence12: It looks like you will arrive by 14:45. Your booking is complete and the car type is grey audi. The contact number is 07534462642. Sentence13: unfortunately i don't have anything in that price range Sentence14: Thank you. I appreciate your quick response. Sentence15: OKay I will look into this for you and be back in a moment. Sentence16: to which direction will you be going? Sentence17: Yes it does and is included in the price! Sentence18: What area do you need it to be in? Sentence19: I think El Shaddai would be perfect for you. It's in the centre of town, 0 star, and has free wifi and parking. Can I book for you? Sentence20: We have 31 moderately priced restaurants in the center, just no Bistro, sorry. Sentence21: Not price specific but I want something 0 star. Sentence22: I am looking for a nice bistro in Cambridge, moderately priced would be good. Sentence23: Alright, your reservation is made with reference number V76UTC2C . Can I help you with anything else? Sentence24: thank you that will be all Sentence25: There's nothing moderate in all of the centre area? Or just bistro food? Sentence26: What price range? Question: Who has spoken the sentence 24? (A) User (B) System

Ex Output:

Answer: (A) User