Given the task definition, example input & output, solve the new input case.
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
Output: Answer: (A) User
The sentence 1 is said by a user because the intent of it says that the information has to be gathered from the system

New input case for you: Sentence1: Hello, can you tell me about some colleges in town? Sentence2: Yes please. What area is that in? Sentence3: There are 18 colleges to choose from. Is there a specific area you are interested in? Sentence4: It is located in the centre. Would you like more information? Sentence5: No, I believe that's everything for now. Thank you for all of your help. Sentence6: There are many options to choose from. Can you give me the departure city and departure/arrival times? Sentence7: Pembroke college is available would you like to visit that? Sentence8: You're welcome! Have a great day! Sentence9: I'll be departing from london liverpool street, and I'd like to arrive by 18:45. Sentence10: Yes, I would like to book a train for cambridge on tuesday Sentence11: I can get you a train that arrives at 17:07. Would you like to book that? Sentence12: Your booking is all set! Your reference number is 5WATWCJJ . Is there anything else I can help you with? Sentence13: Yes for five people please. Sentence14: I'm looking for college attractions in the cambridge area Question: Who has spoken the sentence 11? (A) User (B) System
Output:
Answer: (B) System