Two people are demonstrating martial arts to a crowd and jumping over three youngsters who are crouched on the mat.
Two people are demonstrating their karate skills in a public area.
Karate is a form of martial arts.
exists e1 e3 e2 s1 x1 x2 x3 x4 x5 x6 x7.(n_mat(x7) & over(e2,x5) & on(e3,x7) & Theme(e3,x6) & v_crouch(e3) & (x5 = x6) & n_youngster(x5) & card_eq_3(x5) & Actor(e2,x4) & v_jump(e2) & n_people(x4) & card_eq_2(x4) & Theme(e1,x2) & Actor(e1,x1) & v_demonstrate(e1) & to(x2,x3) & n_crowd(x3) & n_art(x2) & a_martial(s1) & Theme(s1,x2) & n_people(x1) & card_eq_2(x1))
exists e1 s1 x1 x2 x3 x4.(Theme(e1,x2) & Actor(e1,x1) & v_demonstrate(e1) & in(x2,x4) & n_area(x4) & a_public(s1) & Theme(s1,x4) & n_skill(x2) & of(x2,x3) & n_karate(x3) & of(x2,x1) & n_thing(x1) & n_people(x1) & card_eq_2(x1))