Instructions: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Input: Sentence1: I am looking for a hotel called huntingdon marriott hotel. Sentence2: Yes, please book it for 5 people. Sentence3: Booked it, your ref. # is IOEJEYMY Sentence4: Thank you! Sentence5: Thank you. Can you book it for 5 people and 4 nights starting on Thursday? Sentence6: The TR9487 will reach Petersborough at 8:24 on Friday. Would you like to book that train? Sentence7: What day will you need the train and where are you traveling to and how many people will be traveling? Sentence8: I'm also looking for a train departing Cambridge and arriving at 8:30. Can you help out? Sentence9: We would like to go to peterborough on Friday. Sentence10: Booking was successful.Reference number is : QBQ6UVZ5 .what else can i do for you? Sentence11: Thank you for all your help. Have a great day. Sentence12: It is located at kingfisher way, hinchinbrook business park, huntingdon Question: Who has spoken the sentence 7? (A) User (B) System
Output:
Answer: (B) System