Detailed Instructions: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Q: Sentence1: You are welcome. Goodbye. Sentence2: Your reference number is BIBMWTH4 . Is there anything else you need today? Sentence3: Nusha is an entertainment venue on the south side of town. Would you like their address and/or contact information? Sentence4: I'm leaving on Tuesday anytime after 14:45 and I'm coming from Ely. Sentence5: Yes, that is all I need right now. Thank you! Sentence6: What is the travel time, and what time will it arrive at? Sentence7: no that's all thank you Sentence8: Sure! Where are you coming from, what day are you coming, and what time do you want to get here? Sentence9: Hi there, I've heard of something fun to do in the city called Nusha but I'm not sure where it is. Can you help me figure out how to get there? Sentence10: Oh, wait, can you help me find a train to Cambridge? Sentence11: Yes and I need the reference number Sentence12: Ok. Have a good day! Sentence13: No, I am familiar with the south side. Thanks for your help. That is all I really need to know. Bye. Sentence14: TR9420 will leave at 15:35 if that works for you. Sentence15: I hope you enjoy your trip. Are you sure you have everything you need? Sentence16: Arrival at 15:32 and your travel time is only 17 minutes. Would you like me to get the tickets for you? Question: Who has spoken the sentence 10? (A) User (B) System
A:
Answer: (A) User