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

Ex Input:
Sentence1: Can you verify that the hospital has a transplant high dependency unit? Sentence2: Can you help me find a hospital nearby? Sentence3: Yes, it does. Here is the unit's phone number: 01223216811. Do you need any other information? Sentence4: I would like the address and phone number please. Sentence5: No that is everything. Thank You Sentence6: Sure, the phone number is 01223245151 and the address is Hills Rd, Cambridge. Sentence7: The nearest hospital to you is at Hills Rd, Cambridge. would you like their phone number? Sentence8: Alright sounds good. I hope everything is okay. Question: Who has spoken the sentence 4? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: Of course. The restaurant is on 152 - 154 Hills Road and their phone number is 01223413000. Sentence2: What other restaurants are in the same area and price range? Sentence3: I'm sorry. That booking was not available. Would you like to find another restaurant? Sentence4: No, could you just book a table for 3? I'd like it for Wednesday at 12:15. Sentence5: That sounds good book it for 3 on wednesday at 12:15 please and I'll need the reference number too Sentence6: Thank you and you too. Sentence7: Yes can I have the address and phone number please? Sentence8: I'm sure we can. Cambridge offers 31 moderately priced restaurants. What sort of cuisine would you like? Sentence9: There is the restaurant alimentum that serves modern european food? Sentence10: Great, that's all I needed. Have a lovely day. Sentence11: I have made a reservation for you at the restaurant alimentum on Wednesday at 12:15 for 3 people. Your reference number is LX2XAAF4 . Would you like their address? Sentence12: I would prefer Italian and it has to be in the south. Sentence13: Hi! Can you find me a moderately priced restaurant for my girlfriend and I? Sentence14: I found one restaurant with those credentials, it's Pizza Hut Cherry Hinton, would you like the address? Question: Who has spoken the sentence 9? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: OK, thanks, that's all I need. Sentence2: TR4216 arrives in Stevenage at 18:10. Total travel time is 49 minutes, and the per person fare is 10.24 GBP. Sentence3: The first train out of Cambridge to Stevenage after 16:30 is the TR4216, which leaves at 17:21. Sentence4: I am looking to go from cambridge to stevenage on saturday leaving after 16:30 Sentence5: Club Salsa is a nice one, phone is 07782218745. Anything else you need? Sentence6: Okay great. Glad I could be of assistance. Sentence7: Certainly. Just to confirm, is Cambridge your destination or are you looking for another destination? Sentence8: Have a good day. Bye. Sentence9: I also need a train leaving Stevenage on Saturday, please. Sentence10: Thank you for choosing Help Desk. Sentence11: There are 5 good nightclubs in the centre and one in the south. Which area do you prefer? Sentence12: Hi, do you know of a good night club? Sentence13: It doesn't matter. Can I have the phone numbers? Sentence14: Can you tell me the time it arrives, and the price? Question: Who has spoken the sentence 9? (A) User (B) System

Ex Output:

Answer: (B) System