Sentence1: James has just started working at a company with a ping pong table. Sentence2: He has always wanted to play ping pong with a coworker. Sentence3: One day after work, his friend challenges him to a game. Sentence4: James plays very well, but eventually loses the game. 
 (A) James was worried because he beat his boss at ping pong. (B) So, James bought a ping pong table to practice at home.
B