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

[EX Q]: Sentence1: I'm sorry, they don't have an opening at 12:00. Would you like to try a different time or day? Sentence2: Hi. I am trying to find some information on a restaurant called India House. Have you heard of it? Sentence3: I was able to book your table on Sunday at 11:00 for 1. The reference number is FRGW4OO2 . Sentence4: I'm so happy we could help you out today. Enjoy your meal in Cambridge! Sentence5: Great can you book a table for one person at 12:00 on sunday? Sentence6: India House serves Indian food in the west of town and is expensive. Their phone number is 0122346166. Can I help with anything else? Sentence7: Thanks. That covers it then! Sentence8: Sure, let's try for 11:00, same day. Question: Who has spoken the sentence 1? (A) User (B) System
[EX A]: Answer: (B) System

[EX Q]: Sentence1: Sorry about that, i'm leaving from norwich. Sentence2: Brookshite? Can you please repeat that? Sentence3: You are more than welcome! Sentence4: Ok. I can help you find a train. Where will you be departing from? Sentence5: ive boked that for you trainID departure destination day leaveAt arriveBy price duration book (optional) TR9900 norwich cambridge friday 05:16 06:35 17.60 pounds 79 minutes Sentence6: Thank you for your help Sentence7: I will be leaving from Brookshite. Sentence8: You're all set! The reference number is 44LHUSZT . Sentence9: I'm looking for a train going to cambridge. Sentence10: Yes please book that and I need the reference number. Question: Who has spoken the sentence 3? (A) User (B) System
[EX A]: Answer: (B) System

[EX Q]: Sentence1: I would like to blow my budget at an expensive restaurant in the centre area. Sentence2: I'd love to have some Persian food. Sentence3: Could I get a taxi please from that park to take me to the restaurant in time for my reservation? And give me contact number and car type too please Sentence4: Yes, that's it! Thanks so much, bye! Sentence5: You're welcome and enjoy your stay. Sentence6: Sounds like you are celebrating. What type of food do you want to have? Sentence7: I could recommend Eraina. It is expensive and serves European food in the center. Sentence8: The Cambridge University Botanic Gardens is in the centre of town. Entrance fee is 4 pounds. Is there anything else I can assist you with? Sentence9: how about one that serves european food? Sentence10: Yes, a white bmw is booked. The contact number is 07805333203. Will that be all for you? Sentence11: Unfortunately, there aren't any expensive Persian restaurants in the center of town. Are you interested in a different type of expensive food? Sentence12: Sounds perfect. Can you book me a table for 2 at 17:45 on wednesday? Sentence13: I have booked a table for two at Eraina. Your reservation is at 17:45 on Wednesday, and your reference number is QEYTLGLK . Can I help you with anything else? Sentence14: Is there park in the same area as the restaurant? If so can you tell me what the entrance fee is? Question: Who has spoken the sentence 2? (A) User (B) System
[EX A]:
Answer: (A) User