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: Tuesday from Cambridge to London Kings Cross, anytime after 15:45. Sentence2: The travel time is 51 minutes. Sentence3: What is the travel time on that train? Sentence4: I need to take a train from cambridge to London Kings Cross Sentence5: the whipple museum of the history of science is an interesting one! Sentence6: Thanks so much for your help today! Sentence7: The arrival time is 17:51. Sentence8: Sure! it is 01223330906. Sentence9: What is the entry free to the Whipple Museum? Sentence10: Thanks! Can you also tell me about the best museum in the center of town? Sentence11: What is the arrival time? Sentence12: I can help you with that! What day would like to travel and what time would you like to depart? Sentence13: Perfect. Can you get me a phone number for them? Sentence14: The entrance fee is free. Sentence15: Not a problem! Have a nice day! Sentence16: Train TR0945 fits the bill, would you like me to book you passage? Question: Who has spoken the sentence 6? (A) User (B) System
Solution:
Answer: (A) User