You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Sentence1: Alright. Now, can you just tell me either when you'd like to leave after or the time you'd like to arrive by? Sentence2: I'd like to go to saint johns chop house. Sentence3: Booking completed! Booked car type : yellow volvo Contact number : 07956401800 Sentence4: I'd like to arrive by 9:00 please. Sentence5: Sure, where would you like to go? Sentence6: I need to taxi from Ian hong house. Question: Who has spoken the sentence 2? (A) User (B) System
Answer: (A) User