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's a lovely 4 star guesthouse in the south part of town. What would you like to know? Sentence2: Yes, I need some information on rosa's bed and breakfast. Sentence3: Thank you for using our service today! Sentence4: No that's it, thank you for your help. Sentence5: I want to leave from Bishops Stortford and go to Cambridge. Sentence6: Yes please book it for the same group of people and 2 nights starting from the same day. Sentence7: Hello, I am looking for a train that leaves on Friday after 10:00. Sentence8: Booking was successful. Reference number is : GXVPCRC1 . Is there anything more I can help with? Sentence9: TR6834 departs Bishops Stortford at 11:29 arriving by 12:07 in Cambridge. Does this work for you? Sentence10: The booking was successful and your reference number is 5636CNX2 . Please pay 70.7GBP at the station. Is there anything else? Sentence11: That will work great. Could you please make a booking for seven people? Sentence12: Ok, and where will you be leaving from and heading to? Question: Who has spoken the sentence 3? (A) User (B) System
Solution:
Answer: (B) System