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: I have several options, would you like me to book that for you. How many passengers would you have? Sentence2: I do have one place. Gourmet Burger Kitchen is expensive and in the centre. Do you need a reservation? Sentence3: Good day, enjoy your time in Cambridge. Sentence4: Yes please. I need to book for 8 people. Sentence5: Thank you that will be all. Bye! Sentence6: Yes, please. Is there something available for 13:15 on Saturday for all 8 people in my group? Sentence7: Yes. I want to eat at an Indonesian restaurant in the center area of town. Sentence8: I'm leaving from birmingham new street on saturday. Sentence9: I'm not sure it that option will work for me. I need the train to go to Cambridge and arrive by 9:00. Sentence10: Yes, let's try North American food, please? Sentence11: Ok. I can help you with both of those. Where will you be leaving from? Sentence12: TR7802LEAVES 09.40. WHAT KIND OF FOOD DO YOU WANT Sentence13: Booking was successful. The table will be reserved for 15 minutes. Reference number is : Z4WQXEDR . Is there anything else? Sentence14: Booking was successful, the total fee is 480.64 GBP payable at the station . Reference number is : LW32MFA7 . is there anything else i can help you with? Sentence15: I'm sorry there are no matches. Would you like me to check a different area or food type? Sentence16: Hi, I am looking for some train information for my trip. Also, I can't wait to try some of your local restaurants. Question: Who has spoken the sentence 14? (A) User (B) System
Output:
Answer: (A) User