Two people are demonstrating martial arts to a crowd and jumping over three youngsters who are crouched on the mat.
Children prepare to try martial arts.
Two people are demonstrating so there is no indication that the kids are going to prepare to try anything
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 p1 x1.(Topic(e1,p1) & Actor(e1,x1) & v_prepare(e1) & exists e2 s1 x2.(Theme(e2,x2) & Actor(e2,x1) & v_try(e2) & n_art(x2) & a_martial(s1) & Theme(s1,x2)) & n_child(x1))