question: What happens before Joe can close his loop ?
answer: Old Joe uses the gold bars to protect himself , knocks younger Joe unconscious and escapes .
turker_answer: Before Joe can close his loop , Old Joe uses the gold bars to protect himself , knocks younger Joe unconscious and escapes .
rule-based: Old Joe uses the gold bars to protect himself , knocks younger Joe unconscious and escapes happens before Joe can close his loop .