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: There is a train leaving Kings Lynn at 08:11 arriving at 08:58 in Cambridge. Do you want me to make a reservation? Sentence2: The price is 9.80 pounds, payable at the station. How else can I help you? Sentence3: Ok, I would like to book a table for 4 at 13:15 on Monday if possible? Sentence4: No, just tell me the price. Sentence5: That should be all thank you Sentence6: Okay, I've located a train departing Peterborough and arriving at 09:38. How many train tickets do you want? Sentence7: I would also like a train on the same day as the restaurant booking and should arrive by 09:45. Sentence8: The train needs to depart from Kings Lynn and go to Cambridge. Sentence9: Sure the number is 01223518111 Sentence10: I'm sorry but a table isn't available at that time or day. Would you like another time? Sentence11: I have booked a table for 4 at 12:15 on Monday. Your reference number is YYS0SW42 . Sentence12: Alright. If you think of anything else you may need feel free to contact me. Have a good day. Sentence13: I'd really like to get the number for the Yippee Noodle Bar restaurant if you please? Sentence14: Hmm.. how about 12:15? Question: Who has spoken the sentence 13? (A) User (B) System
A:
Answer: (B) System