question: Before the Twin Towers attack in 2001 , what was the only reported freefall accident attributed to a modern cable-borne elevator ?
answer: 1945 when a B-25 bomber struck the Empire State Building
turker_answer: Before the Twin Towers attack in 2001 , the only reported freefall accident attributed to a modern cable-borne elevator was in 1945 when a B-25 bomber struck the Empire State Building .
rule-based: Before the Twin Towers attack in 2001 , the only reported freefall accident attributed to a modern cable-borne elevator was 1945 when a B-25 bomber struck the Empire State Building .