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
Example solution: 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

Problem: Sentence1: How many tickets will you need? Sentence2: Thanks! I'm also looking for a guesthouse in the east. It doesn't need to have free wifi. Sentence3: No, it doesn't matter. Sentence4: Well, then you have a nice day! Sentence5: what is the price range? Sentence6: I just want to know the price of the ticket. Sentence7: Did you have a price range in mind? Sentence8: No thanks, just needed the address. That's all for today thank you! Sentence9: Where will you be departing from? Sentence10: Cheap price range and free wifi Sentence11: I am looking for a train to Cambridge. I need to arrive by 20:00 Sentence12: Yes, please book it for me. Sentence13: The price is 37.80 pounds per ticket Sentence14: I'll be heading in from Leicester on Thursday. Sentence15: I have the allenbell located at 517a coldham lane it meets all your specifications. Would you like reservations? Sentence16: Okay, TR0363 departs at 09:09. Would you like me to do book that for you? Question: Who has spoken the sentence 8? (A) User (B) System
Solution: Answer: (A) User