A martial artist demonstrating his skill by breaking boards with his foot in a dojo.
A martial artist is performing in front of people.
Just because a martial artist is demonstrating does not mean the artist is performing.
exists e2 e1 s1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & by(e1,e2) & in(e2,x6) & n_dojo(x6) & with(e2,x5) & n_foot(x5) & of(x5,x1) & n_male(x1) & n_male(x1) & Theme(e2,x4) & Actor(e2,x2) & v_break(e2) & n_board(x4) & Theme(e1,x3) & Actor(e1,x2) & v_demonstrate(e1) & n_skill(x3) & of(x3,x1) & (x1 = x2) & n_artist(x1) & a_martial(s1) & Theme(s1,x1))
exists e1 s1 x1 x2 x3.(in(e1,x2) & of(x2,x3) & n_people(x3) & n_front(x2) & Actor(e1,x1) & v_perform(e1) & n_artist(x1) & a_martial(s1) & Theme(s1,x1))