You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Q: Sentence1: First I need a little more information to find something that will suit your needs. What are your departure and arrival destinations? Sentence2: Thanks. I am all set here. Sentence3: I'm coming to Cambridge from Peterborough. Sentence4: Okay, is there a certain time you need to arrive by? Sentence5: No, just need to leave after 15:00. When will I arrive and how long does it take? Sentence6: I am also looking for a multiple sports complex to visit. Sentence7: no, thanks I just need the phone number Sentence8: There's the cherry hinton village centre. Would you like more information? Sentence9: No thanks. I also need multiple sports places to go please. Sentence10: No thank you. I have everything I need for now. Sentence11: Would you like some info on that venue? Sentence12: You have a few options. One train leaves at 15:19 and it's about a 50 minute trip, putting you in cambridge at 16:09. Should I book it for you? Sentence13: I need to take a train on saturday after 15:00 Sentence14: The phone number for the cherry hinton village centre is 01223576412 Sentence15: Okay, I found one on the East side called the cherry hinton village centre. Would you like me to get you the address? Sentence16: Have a wonderful day Question: Who has spoken the sentence 3? (A) User (B) System
A:
Answer: (B) System