Complex sentence: At the end of the episode, it becomes apparent that House must have had lacrosse sometime in his youth, as he is shown at Dan's lacrosse game, and clutches his cane like a lacrosse stick, seemingly dreaming about days past.
Split into simpler sentences: At the end of the episode, it becomes apparent that House must have had lacrosse sometime in his youth. He clutches his cane like a lacrosse stick, seemingly dreaming about days past.