Definition: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Input: Sentence1: That is correct! One ticket has been booked and your reference number is WB6YZLP0 . Is there anything else I can assist you with? Sentence2: I just needed to find out if they offer free parking there. Sentence3: Unfortunately, Cityroomz does not offer free parking--just free internet. Is there something more I can help with? Sentence4: I am planning a trip in cambridge Sentence5: No thank you. Sentence6: That's leaving from Cambridge, right? If so, then yes, book me one seat, and give me the reference number, thanks! Sentence7: Okay. I can help you find a restaurant or hotel, look for tourist information, book a train or taxi. How may I help you ? Sentence8: Thank you so much for calling. Sentence9: TR5517 will leave at 08:01 and arrive by 09:01. Would you like to book seats? Sentence10: I'm also looking for information on a hotel called cityroomz. Sentence11: I need a train going to Broxbourne that leaves after 8:00 on Monday Sentence12: I have it be sure to give me your preferences and we can start booking Question: Who has spoken the sentence 6? (A) User (B) System
Output:
Answer: (A) User