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: Sure! Can I get the postcode and phone number? I also need a train from peterborough that arrives by 9:45. Sentence2: Hmm, how about a nightclub? Sentence3: Monday, thanks. Sentence4: I want to find a place to visit in the centre in Cambridge please. Sentence5: May I please ask what the price and travel time of TR2118 is, please? Sentence6: I am going to Cambridge. Sentence7: I have several trains. The latest one is the TR2118 that arrives at 9:38. Would you like to book a ticket on that? Sentence8: I'm sorry, but I don't have anything like in town center. Cherry Hinton Village Centre is a multiple sports attraction in the east. Does that work for you? Sentence9: Ballare is available Sentence10: The price is 16.50 pounds. May I help with anything else? Sentence11: And the price? Sentence12: There are dozens of attractions in the centre of town. What type do you prefer? Sentence13: Yes TR2118 leaves at 08:48 and arrives at 09:38, it is a 50 minute ride. Sentence14: What day would you like to travel? Sentence15: Ballare is located in postcode cb23na and the phone number is 01223364222. And where would the train from Petersborough be arriving? Sentence16: I am looking for something like mutliple sports. Sentence17: Enjoy your visit and have a great day. Thank you. Sentence18: No thank you, you've been very helpful. Question: Who has spoken the sentence 7? (A) User (B) System
Solution:
Answer: (B) System