You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
One example: Sentence1:i need a place to dine in the center thats expensive Sentence2: I have several options for you; do you prefer African, Asian, or British food? Sentence3: Any sort of food would be fine, as long as it is a bit expensive. Could I get the phone number for your recommendation?Question: Who has spoken the sentence 2? (A) User (B) System
Solution is here: Answer: (A) User
Explanation: The sentence 1 is said by a user because the intent of it says that the information has to be gathered from the system

Now, solve this: Sentence1: That sounds great. I need to book it for 5 people at 11:45 on Friday. Can I get the reference number please? Sentence2: Did you have a certain time you would like to leave after or arrive by? Sentence3: No but I am looking for a Lebanese restaurant in the city's center. Sentence4: Thank you for using our service today! Sentence5: Ali Baba is the only lebanese restaurant in the centre of town in the moderate price range. Sentence6: Yes, I need to arrive at Bishops by 14:45. Sentence7: Thanks for that. I also need a train to bishops stortford from cambridge. I need it to leave from cambridge on Friday. Sentence8: You're all set. Ali baba will be expecting the 5 of you at 11:45 on Friday. Your Reference number is : UHPZFTUK . Sentence9: TR8585 leaves cambridge at 13:29 and arrives in Bishops Stortford at 14:07. The price is 10.10 pounds. Would you like me to book it for you? Sentence10: sure, i have so many options for you! Sentence11: Bedouis is located in the centre of town. Their address is 100 Mill Road City Centre. Their phone number is 01223367660 Sentence12: Great, what would you recommend for me? Sentence13: Thanks so much. That's all I needed today. Sentence14: I would recommend Bedouin,which serves African food and is in the expensive price range. Sentence15: I'm afraid there is no record for such trains, should we try for a different time? Sentence16: I am traveling to Cambridge and looking forward to try local restaurants. Sentence17: Can you give me addresss and phone number please Sentence18: Any arrival time would work so long as it gets to Bishops before 14:45. Question: Who has spoken the sentence 5? (A) User (B) System
Solution:
Answer: (B) System