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: Most of the hotels and guesthouses have free wifi. Is there a particular part of town that you're interested in? Sentence2: I am not showing anything would you like me to check in a different price range? Sentence3: I just need a moderately priced hotel with free wifi and parking. Sentence4: Are you sure you can't find any hotels moderately priced with free parking and free wifi anywhere? Sentence5: That address is Back Lane, Cambourne. The TR8636 departs Cambridge at 20:36, would you like to book a seat on that one? Sentence6: Thank you for all your help. That is all the information I need. Sentence7: I don't care what part of town it's in, but I would like it to be a hotel rather than a guesthouse, and I'd like it to be moderately priced. Sentence8: Yes, I'll need the address and I will also need a train from Cambridge to Norwich on Monday, leaving after 20:15 Sentence9: How long is the trip, and what time does it arrive in Norwich? Sentence10: I cannot find anything in a moderate price, but I found a cheap hotel for you. It's The Cambridge Belfry in the west. It has 4 stars. Is this alright? Sentence11: Glad to be of help. Thanks for using our service. Goodbye. Sentence12: Unfortunately there are no hotels or guest houses that meet those criteria. Would you like to try a different price range? Sentence13: I'm looking for a place to stay that offers free wifi Sentence14: the trip is 79 minutes long and it will arrive by 21:55. Question: Who has spoken the sentence 5? (A) User (B) System
Solution: Answer: (B) System