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: Yes, it departs from Cambridge Sentence2: The TR7075 meets your criteria. It leaves at 5:00. Would you like to make a booking? Sentence3: Does that train depart from Cambridge? Sentence4: As early as possible in the morning. Sentence5: Why did I ask this? Of course it would be cambridge Sorry, my mistake. Please book me for 1 person and I need a reference number. Sentence6: Your total is 23.6 GBP, which you will pay at the station. Your Reference number is : PQ7PVOTI . Sentence7: No how about you pick on and give me the entrance fee if any and the phone number please Sentence8: The museum of classical archaeology has free admission and its phone number is 01223335153. Do you need anything else? Sentence9: Are there any museums you can recommend? Sentence10: You are very welcome! Safe travels! Sentence11: Well, there are 23 museums to choose from. If you give me a specific area I can narrow down the choices. Sentence12: Wonderful, thanks for your help today. Sentence13: Great I'm also looking to travel to london kings cross on monday by train Sentence14: Did you have any preference for departure or arrival times? Question: Who has spoken the sentence 9? (A) User (B) System
Output:
Answer: (B) System