Q: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Sentence1: Possibly, what time does it arrive at London Liverpool Street? Sentence2: What is your destination? Sentence3: Thanks so much for using Cambridge TownInfo centre today! Sentence4: I was able to find it, would you like to book a room there? Sentence5: I'm headed to London Liverpool Street from Cambridge. Sentence6: It takes the TR7057 88 minutes to go from Cambridge to London Liverpool Street. Sentence7: Thank you, I think that is it, enjoy your day! Sentence8: There are 8 trains fitting your criteria. TR7057 leaves Cambridge on Friday at 09:59. Would you like to book this train? Sentence9: No problem! Is there anything else I can help you with? Sentence10: Great, thanks. I am also looking to book a train for this Friday. I am hoping to leave after 08:45. Sentence11: Thank you for your help, I'll pick up tickets at the station. Sentence12: All right, you have a reservation beginning Sunday for 5 nights for a party of 8 at Rosa's. Your reference number is 8E3J63R1 . Sentence13: I'm looking for Rosa's Bed and Breakfast in Cambridge. Sentence14: What's the travel time on that trip? Sentence15: Yes please, for 5 nights starting Sunday, there will be 8 people in my party. Sentence16: The 9:59 train leaves Cambridge and arrives at London Liverpool Street at 11:27. Question: Who has spoken the sentence 2? (A) User (B) System
A:
Answer: (A) User