Definition: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Input: Sentence1: Okay what time would you like to depart from Cambridge and arrive in London Kings Cross on Tuesday? Sentence2: I am not ready to book the train yet. Thanks for the help. Sentence3: You're welcome. glad I could help Sentence4: Yes please book this train for me, Thank you. Sentence5: How many tickets do you need? Sentence6: Hi I'm looking for a train for Tuesday. Sentence7: I need to depart after 19:15. Can you please provide me with a price? Sentence8: The next train departs at 21:00. The price is 23.60 pounds per ticket. Can I book this train for you? Sentence9: No thanks, that is all I needed. Sentence10: Can I be of further assistance to you today? Question: Who has spoken the sentence 8? (A) User (B) System
Output:
Answer: (A) User