Context: " Uh-- " His foot catches , his ankle hyperflexed and twinging , and he tips sideways , arms windmilling in empty air as he lurches into the bookcase . " Ow ! " Shelves press hard dents into his arm , Don snickers infuriatingly , and Charlie grumble as he steadies himself . " Ow , dammit .
Question: What is being described in the scene ?
Option 0: None of the above choices .
Option 1: Don hurting himself .
Option 2: Charlie hurting himself .
Option 3: Don falling into something .
Answer: 2