Suppose a game has two stages: Stage 1: 25% probability to get to stage 2, and 75% to be out; Stage 2: A) 80% probability to win $4000; B) 100% probability to win $3000. You must choose option A) or B) at the beginning of the game, i.e., before entering stage 1. Which option would you prefer? Answer in two words: 'Option A' or 'Option B'.