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. I am also looking for a particular restaurant, it is called Charlie Chan. Can you provide me its address? Sentence2: I want able to book your room at the Gonville Hotel for you for the two nights. Your reference number for this is KYXT8TUS . Sentence3: I would like to book for four people for three nights beginning on Tuesday. Sentence4: No, thank you. That's all I needed today. Sentence5: Does the Gonville Hotel have guesthouse accommodations? Sentence6: Yes please book it for four people in 3 nights starting on Tuesday Sentence7: Before I book this hotel I just want to inform you that I have confirmed that it is not a guesthouse but a hotel. Would you still like me to book? Sentence8: No how about two nights? Sentence9: I believe so, yes. Sentence10: Unfortunately it can not be booked for 3 days. Did you want to get information about a different hotel instead? Sentence11: I am looking for a 3 star hotel with free parking in Cambridge. Sentence12: Absolutely. On what day, for how many people and how long is your stay? Sentence13: Certainly! The address for the Charlie Chan is Regent Street City Centre. Would you like me to book a reservation? Sentence14: Thanks for contacting Cambridge TownInfo centre. Let us know if you need anything else and have a great day! Sentence15: I found a handful of locations that might suit your interests. Would you care to check out the Gonville Hotel? It has everything you are looking for in accommodations. Sentence16: Can you book this hotel? Question: Who has spoken the sentence 5? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: Thank you for using this system Sentence2: There are several cheap restaurants located in the centre part of town. Sentence3: I am looking for a cheap restaurant. Sentence4: Yes, La Raza serves Spanish food. Would you like their phone number? Sentence5: Do any serve spanish food? Sentence6: La Raza is located at 4-6 Rose Crescent, their postcode is C.B 2, 3 L.L Sentence7: Thank you, goodbye. Sentence8: No, I would like the address and the post code please. Question: Who has spoken the sentence 6? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: Sorry, that doesn't really narrow it down, they all have plenty of open seats. Sentence2: It is free to get in. The postcode is cb12lj. Can I help you with anything else? Sentence3: Train TR3922 is leaving at 19:19 and arriving at 20:09. Booking was successful for 3 tickets, totaling 39.59 GBP. The Reference number is : WF0T26CV . Sentence4: Ok, there are 10 different trains, what time did you want to arrive by so we can narrow it down a bit. Sentence5: Hi, I am searching for a museum to attend in the centre of town. Sentence6: You are welcome, goodbye! Sentence7: There are 11 total museums in the centre of town. Would you prefer suggestions for art museums, history museums, science museums, galleries...? Sentence8: Yes I would like a good steak. Sentence9: That sounds good. What is the entrance fee if any, and it's postcode? Sentence10: I don't care of the type of museum. Sentence11: No thanks, I actually need a train. I'll be heading to cambridge from peterborough on Sunday. I need to leave after 19:15. Sentence12: I can help you find a fantastic steakhouse. Do you have a preference for the area of price range of the restaurant? Sentence13: I would like to book the train with the shortest travel time, if that narrows it down. I will also need the reference number. Sentence14: I have located Williams Art and Antiques located at Gwydir Street, no. 5 Dale's Brewery. Would you like to visit this museum or would you like another suggestion? Sentence15: Thank you very much. That was all I needed. Have a great day. Sentence16: Before that, I need a booking for 3 people. Does that narrow it down? Question: Who has spoken the sentence 6? (A) User (B) System

Ex Output:

Answer: (A) User