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

Let me give you an 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
The answer to this example can be: Answer: (A) User
Here is 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

OK. solve this:
Sentence1: Sure thing! Enjoy your trip and your dinner. Be sure to contact us for anything else you may need. Sentence2: I can help find a train. I need to know where you are traveling from and to and what day and time you wish to travel. Sentence3: No thank you. I'll just need the travel time and train ID, please? Sentence4: I need a moderately priced restaurant in the centre. Sentence5: Okay, I recommend Bloomsbury restaurant. Would you like me to book a table? Sentence6: The ID is TR2704 and the total travel time is 17 minutes. Anything else? Sentence7: No. That will be all for now. Thank you for your help. Sentence8: I would like sometthing International. Sentence9: Can you help me find a train? Sentence10: I was able to reserve you a table, they will only hold the table for 15 minutes. Your reference number is KNRFFO4K . Do you need anymore assistance today? Sentence11: Yes there will be 8 of us at 17:15 on Wednesday. Sentence12: Train TR2704 would suit your needs. Can I book you a ticket? Sentence13: I would like a train from Ely to Cambridge on Wednesday and I need to arrive before 10:45. Sentence14: Certainly! What type of cuisine would you like? Question: Who has spoken the sentence 10? (A) User (B) System
Answer:
Answer: (A) User