You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Q: Sentence1: Thank you for contacting Cambridge TownInfo Centre, have a great day! Sentence2: I would like to go to london liverpool street on Thursday. I would like to leave after 16:00. Sentence3: Yes, I also need to find a train leaving from cambridge. Can you help me with that? Sentence4: Glad I could help you. Have a nice day. Sentence5: Thank you, you as well, goodbye. Sentence6: That's fine, could you give me the address for the gallery please? Sentence7: Thank you! You have a nice day as well. Sentence8: Absolutely, where would you like to go? Sentence9: Goodbye to you as well. I hope you have a wonderful day. Sentence10: Great! I think that is all I need. I appreciate your help today. Sentence11: There are 4 trains that run during that period, do you have a preference for your arrival time? Sentence12: Yes, but I am unable to make a booking for you. Would you like to do anything else? Sentence13: Booking was successful, the total fee is 83 GBP payable at the station . Reference number is : IG0M4C9S . Sentence14: Hi, could you tell me if Cambridge Book and Print Gallery is still open? Sentence15: Just any time leaving after 16:00, and I need tickets for 5 people. Sentence16: The address is 49 newnham road, is there anything else I could do for you? Question: Who has spoken the sentence 2? (A) User (B) System
A:
Answer: (A) User