You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Example input: 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 output: 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
Q: Sentence1: These are several selections available to you. Let me know which choice you have made and I will make the required booking for you. I can recommend Marriott but the Cambridge Belfry is cheaper. All three close to all of our attractions and all the main restaurants. Sentence2: tuesday and I would like to get there by 13:15 Sentence3: Can you help me find a train departing cambridge going to bishops stortford? Sentence4: Yes, that would be great. I'll need to know the price and departure time please? Sentence5: The closest I can get you to 13:15 is 12:07 and that will be TR4041. Does that work for you? Sentence6: I am happy to assist you, what date and time will you need? Sentence7: That train departs at 11:29. The cost is 10.10 pounds. Would you like me to book it for you? Sentence8: No thank you, I do need a place to stay though, I want a nice 4 star place with free wifi, please. Question: Who has spoken the sentence 3? (A) User (B) System
A:
Answer: (B) System