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: I need to depart from Cambridge and arrive at Stevenage. I need to leave after 12:30 on Saturday. Sentence2: Greetings, I am planning a trip in Cambridge and am looking for entertainment venues in the centre of town. Sentence3: The Museum of Archaelogy and Anthropology is located in the center of town. Sentence4: I have a 13:21 train departing Cambridge and arriving in Stevenage at 14:10 on Saturday. Would that work for you? Sentence5: Okay, sounds good. Will you book that for 4 people and get me a reference number, please? Sentence6: There are 5 different entertainment venues in cambridge, however known are located in the centre. Did you want to visit on in a different part of town? Maybe the east? Sentence7: I also need a train. Sentence8: Thank you can I have the entrance fee, postcode, and phone number? Sentence9: No that was all, I got the reference number. Have a great day. Sentence10: there are several trains, where is your departure and when? Sentence11: We don't have anything listed under entertainment for the centre area, but there are a variety of other things to do. Are you interested in the theater or perhaps the cinema? Sentence12: No I prefer the centre area. Sentence13: Sure, there isn't an entrance fee, that's nice. The phone number is 01223333516 and the postcode is cb23dz. Sentence14: What about a museum in the center of town -- is there anything like that? Sentence15: It has been my pleasure. Feel free to contact us with any questions that may arise. Sentence16: Yes, that's perfect! Sentence17: Alright, your train tickets have been booked and your reference number is ZEWG9O60 . Is there anything else I can help you with? Sentence18: It appears that TR6998 will be your best bet. It leaves at 13:21. Question: Who has spoken the sentence 9? (A) User (B) System
Solution: Answer: (B) System