Question: What is the most important element of step dance, a style performed by Ira Bernstein?
Sentence (from "Ira Bernstein"): He calls himself a "percussive step dancer who specializes in Appalachian flatfooting," and also dances Green Grass style Appalachian clogging, English clogging, French-Canadian step dancing, Irish step dancing, and South African gumboot dancing.
Relevant evidence: No