You will be given a definition of a task first, then some input of the task.
You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Sentence1: It doesn't matter. Can you just recommend one for me? Sentence2: Yes, may I please get Magdalene College's phone number? Sentence3: From what location? Sentence4: The magdalene college is nice. It is free to enter. Would you like more information on it? Sentence5: Sorry, I didn't pull up any results. Would you like me to check surrounding areas? Sentence6: I also need a train going to peterborough. Sentence7: Ok I will book it for you Sentence8: I'm looking for some places to go in town. Can you help me find a swimmingpool in the west. Sentence9: Cambridge will be the departure place. I'd like to leave after 10:45 on Sunday. I'll need the travel time, arrival time, and Train ID please. Sentence10: Yes, their phone number is 01223332138. Can I help you with anything else today? Sentence11: i have found five. would you like info for the 3 free or the 2 that cost 2.50 pounds? Sentence12: No. Instead of swimming I think I will go to college. Any of those around here? Question: Who has spoken the sentence 5? (A) User (B) System
Output:
Answer: (B) System