Q: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Sentence1: Yes they have internet. Would you like me to book it for you? Sentence2: thank you. thanks for all your help. goodbye. Sentence3: LEAVING ELY GOING TO CAMBRIDGE ON SATURDAY. I NEED ARRIVAL TIME, TRAVEL TIME AND TRAIN ID PLEASE Sentence4: i am glad i have been of help. good day Sentence5: Great I also need to know where you will be leaving from. Sentence6: I will be traveling on tuesday. Sentence7: The hotel is located in the eastern part of the city. It is in the expensive price range. Would you like me to try and make a reservation? Sentence8: I am looking for a hotel called express by holiday inn cambridge. Sentence9: That won't be necessary right now. But, can you find a train that leaves after 19:30 and goes to Cambridge? Sentence10: First, can you tell me if the hotel has internet available? Sentence11: Sure! Just let me know what day you're traveling as well as your departure station. Sentence12: TR4288 arrives at 19:52. The travel time is 17 minutes. Question: Who has spoken the sentence 1? (A) User (B) System
A:
Answer: (B) System