You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
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
Example solution: Answer: (A) User
Example 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

Problem: Sentence1: It doesn't really matter, but I need to be there by 9:30. So, the closest I can get to that will be good. Sentence2: What day would you be traveling on? Sentence3: Ok great. The TR1242 will fit your needs. How many tickets would you like to book? Sentence4: It's a 38 minute ride and it will cost 10.10. Sentence5: Your welcome. It has been a pleasure assisting you today. Goodbye Sentence6: There a good number of cheap restaurants in town. Are you looking for a particular type of food? Sentence7: that is all i wanted for today. thanks Sentence8: I will be traveling on Thursday, the same as the restaurant reservation. Sentence9: I have reserved your table. Your reference # is GDP785RS . Is there anything else I can help you with? Sentence10: No, I just want to try something new. Could you suggest a couple of less common cuisines? Sentence11: At 14:00 please Sentence12: Sure, I just need to know what time you would like to dine. Sentence13: Yes, I also need a train departing from bishops stortford going to cambridge. Sentence14: I'm looking for a cheap place to eat. Sentence15: yes, reserve a table for two on thursday Sentence16: There's a train leaving every two hours on Thursday, what time would you like to depart? Sentence17: No thank you, but could you let me know the length of travel and the price of the train tickets? Sentence18: I would recommend the gardenia, a mediterranean restaurant located in the centre of town at 2 Rose Crescent City Centre. Would you be interested in reserving a table? Question: Who has spoken the sentence 13? (A) User (B) System
Solution: Answer: (B) System