Context: She knelt down just infront of him , a hand grabbing the top of his helmet as she tried to study his eyes , wondering why he was n\'t able to see . " Hold still . " She snorted angerly , annoyed . " And do n\'t worry about me , I \' m fine .
Question: What may have happened before he was unable to see ?
Option 0: He may have been blind to begin with .
Option 1: He may have gotten glass in his eye .
Option 2: He may have crashed his bike .
Option 3: He may have gotten a chemical in his eye .
Answer: 2