Instructions: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Input: Sentence1: This trip is for 79 minutes and costs 17.60 pounds. Would you like me to book this for you? Sentence2: The arrival time of the train TR9937 from cambridge to norwich will be same Thursday by 22:55. Is that okay with you? Sentence3: What would be the arrival time of that train? Sentence4: I am leaving on Thursday. Sentence5: On what day will you be traveling on? Sentence6: What is the total travel time for this trip? Sentence7: I need a train to Norwich, leaving after 21:30. Sentence8: ok, the TR9937 leaves at 21:36 Sentence9: I'll be leaving from Cambridge Sentence10: Where are you departing from please? Question: Who has spoken the sentence 5? (A) User (B) System
Output:
Answer: (B) System