You will be given a definition of a task first, then some input of the task.
You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Sentence1: Let me help you with that, where would you like to go? Sentence2: I'm looking for a train from Cambridge. Sentence3: What day will you be traveling? Sentence4: I'd like to travel on thursday Sentence5: I need to leave after 16:15. Sentence6: I need to get to Stansted airport please. Sentence7: Ok there is one leaving at the same time i'm eager to book it for you Sentence8: What time do you need to leave or arrive by? Question: Who has spoken the sentence 2? (A) User (B) System
Output:
Answer: (A) User