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'm looking for an expensive restaurant in the center of town. Sentence2: Certainly. When would you like your taxi to depart? Sentence3: Is there any Turkish cuisine? If so I need the postcode and the address. Sentence4: No, that will be all, thank you! Sentence5: I need to arrive at Cambridge Contemporary Art by 19:15 please. Sentence6: Okay, have a nice day. Sentence7: I don't really care, what do you recommend? I will need the postcode and entrance fee please. Sentence8: I am also looking for museums in the area. Sentence9: How about Cambridge Contemporary Art? The entrance is free and the postcode is cb21su. Enjoy! Sentence10: There are many museums listed in the centre area, what kind of museum are you interested in? Sentence11: No problem. Your taxi has been reserved. Your driver's contact number is 07035811281 and will be driving a grey toyota. Is there anything else you need today? Sentence12: Thank you. I would also like a taxi to commute between the two places. Sentence13: There are many expensive restaurants in the centre of town, is there a specific type of food you would like? Sentence14: The Meze Bar restaurant matches your tastes. It is located at 196 Mill Road City Centre. The postcode is cb13nf. Question: Who has spoken the sentence 10? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: I recommend university arms hotel. it is rated 4 stars and is expensive. Their number is 01223351241. Sentence2: Can you help me find a place to eat serving british food in the moderate price range? Sentence3: I have several listings. Please provide the part of town you prefer so I can narrow it down. Sentence4: Ok, can you book a room for our group or are you expecting me to call them? Sentence5: Yes, I'd like a hotel in the same area. Sentence6: In the centre if possible Sentence7: can please provide more information to help us serve you better. Sentence8: No thank you that will be all for today Sentence9: I can book it for you. Sentence10: Yes please, could you book a table for 6 at 16:45 on Wednesday? Could i get a reference number too please? Sentence11: sure I can help you with that, when are you planning your stay? Sentence12: i dont mind any price. Sentence13: How about the oak bistro located at 6 lensfield road. The post code is cb21ab and phone number 01223323361. Can I book this for you? Sentence14: I actually need a moderate hotel in the centre. I don't need free parking. I will need the hotel booked for 6 people, 2 nights, on Wednesday, please. Sentence15: You have your choice of an expensive or moderate price range in that area, do you have a preference? Sentence16: Wednesday, for 2 nights. Sentence17: Ok. I have a table for 6 booked for you at the Oak Bistro. Your reference number is 9SGIM1SR . Is there anything else I could help with today? Sentence18: It needs to be close to my hotel and open late. Question: Who has spoken the sentence 5? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: Great. I hope you have a lovely day. Sentence2: Can you help me find a place to stay in the east? It does not need to include internet. Sentence3: Thank you and yes. I'd like a train from Cambridge to Leicester for Sunday. Sentence4: I booked you a room at a and b guest house for Friday. Your reference is 2WB08P38 . Is there anything else I can help you with? Sentence5: a and b guest house is a nice option Sentence6: I will be arriving Friday and I need it for 2 nights for 1 person. Sentence7: Thank you. That is all for today. Sentence8: The train leaves at 6:21 and the duration is 105 minutes. Sentence9: What time does it leave, and how long is the ride? Sentence10: Sure! How many people for your stay, when would you like to start your stay, and how long would you like to stay for? Sentence11: Okay! What is the price range that you would like? Sentence12: I need to arrive by 20:15, please. Sentence13: nice! does it have free wifi? Sentence14: Yes it certainly does. Sentence15: That's great, can you make a booking for? Sentence16: Price isn't an issue for me, but the hotel should be four stars Sentence17: TR9187 arrives by 08:06. will that be fine with you? Sentence18: There are several trains matching your criteria. Is there a specific time you would like to arrive by? Question: Who has spoken the sentence 10? (A) User (B) System

Ex Output:

Answer: (A) User