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: We have 13 colleges in the centre area. The downing college is one that is free to enter. Would you like more information on this one? Sentence2: Hi! I'm looking for somewhere to go in the centre area. Sentence3: Downing College is on Regent Street and the phone number is 01223334860. Is there anything else I can help you with? Sentence4: No thank you. You have been very helpful. Have a great day. Sentence5: My pleasure. Thank you for calling Cambridge TownInfo Centre. Goodbye. Sentence6: Great! The centre has many attractions. Are you interested in a particular type? Sentence7: I would love to maybe tour a college if I can. Sentence8: Yes, and do you have the address and phone number? Question: Who has spoken the sentence 5? (A) User (B) System
Solution: Answer: (B) System