question: What did the investigators piece together ?
answer: details from the double engine failure that hit the plane after it took off from New York 's LaGuardia Airport for Charlotte , North Carolina .
turker_answer: The investigators pieced together details from the double engine failure that hit the plane after it took off from New York 's LaGuardia Airport for Charlotte , North Carolina .
rule-based: The investigators piece details from the double engine failure that hit the plane after it took off from New York 's LaGuardia Airport for Charlotte , North Carolina together .