Detailed Instructions: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Q: Sentence1: Could you help me finding some place to eat for dinner? Sentence2: Yes, I also need the postcode, area, and food type for a place called Royal Standard. Sentence3: Not really. Which college would you suggest I visit? Sentence4: No I'm trying to find an attraction near town centre, preferably near a college. Sentence5: Yes. it is 01223334200. anything else i can do for you? Sentence6: Thank you! Have a great day! Sentence7: Of course! Emmanuel College is located on saint andrew's street, postcode cb23ap. May I assist you with anything else? Sentence8: Goodbye. Have a wonderful day and stay. Sentence9: Do you have a food type preference? Sentence10: You're welcome. Do you need any further assistance? Sentence11: I have several places. Is there a specific one you have in mind. Sentence12: Do they have a phone number? Sentence13: Emmanuel College is a great college to visit. It is located at saint andrew's street and the entrance is free. Sentence14: No, I don't need anything else. Goodbye Sentence15: Yes, may I please have the full address with postcode for Emmanuel College? Sentence16: The Royal Standard is a gastropub in the east, the postcode is cb13nl. Question: Who has spoken the sentence 13? (A) User (B) System
A:
Answer: (B) System