question: What is the floor exercise events performed on now ?
answer: a carpeted 12m × 12m square , usually consisting of hard foam over a layer of plywood
turker_answer: The floor exercise events are performed on a carpeted 12m × 12m square , usually consisting of hard foam over a layer of plywood now .
rule-based: The floor exercise events is performed a carpeted 12m × 12m square , usually consisting of hard foam over a layer of plywood on now .