Definition: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Input: Sentence1: I am looking for information in Cambridge. Sentence2: I also need to book a train for sunday Sentence3: I need to get from Ely to Cambridge, and I need to leave after 19:30. Sentence4: Great! What type of attraction are you looking for? Sentence5: Yes please book a seat on the train from Ely to Cambridge leaving after 19:30. Thank you. Sentence6: That museum is located in the centre of town. Their address is University of Cambridge, Downing Street. They also offer free entrance. Sentence7: I should have mentioned this before, sorry for wasting everyone's time. I need info on a place called museum of archaelogy and anthropology, what area is it in? Sentence8: what time should it depart ? Question: Who has spoken the sentence 2? (A) User (B) System
Output:
Answer: (A) User