Instructions: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Input: Sentence1: Sure, Downing College is located on Regent Street and admission is free. Sentence2: The booking was successful. The table will be reserved for 15 minutes. Reference number is : DGJK87XC . Sentence3: I need a college in the centre. Sentence4: Can you please try and book it for 18:15 instead? Sentence5: Rice Boat is an Indian restaurant at 37 Newnham Road Newnham wich is in the west part of town. Sentence6: Thanks. I will also need a taxi to the restaurant for our reservation. Sentence7: I have no preference. Could recommend one and provide the entrance fee and address. Sentence8: Can you book a reservation for me? I need a table for 7 on Sunday. At 19:15, if possible. Sentence9: Thank you for your help. Have a nice day! Sentence10: You're welcome, and you, too. Sentence11: Booking was unsuccessful. Do you want to book another day or time slot? Sentence12: I have booked you a taxi. it is a blue tesla and the contact number is 07695884119 Sentence13: Great! Thanks. I'm also looking for a restaurant called Rice Boat. Sentence14: There are 5. Christ's college, corpus christi, downing, emmanuel and gonville and caius anyone in particular? Question: Who has spoken the sentence 13? (A) User (B) System
Output:
Answer: (B) System