You will be given a definition of a task first, then an example. Follow the example to solve a new instance of the task.
You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

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: Answer: (A) User
Why? 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: Sentence1: I'm looking for information on Broughton house gallery. Sentence2: Yes, I need a train going to cambridge. Sentence3: Sure. Just to confirm, how many seats will you need? Sentence4: Thanks so much, that's all I need today. Sentence5: Of course. What day will you be traveling? Sentence6: I hope you have a great day, goodbye! Sentence7: Okay, what day would you like to travel and where will you be leaving from? Sentence8: I'll be leaving Leicester and I want to be in Cambridge by 11:30, please. Sentence9: You will arrive at 10:54 the reference number is 69luuzq7 Sentence10: Sunday,can you book it for me and I need a reference number,please Sentence11: Is the cb11ln the postcode? Sentence12: Yes, that's the postcode. Is there anything else I can assist you with? Sentence13: Certainly! It's a museum in the centre at 98 king street cb11ln with free entrance. Their phone number is 01223314960. May I help find anything else? Sentence14: 5, please. Include the reference number. Question: Who has spoken the sentence 3? (A) User (B) System
Solution:
Answer: (B) System