Young boys and girls practice martial arts while being graded by peers and teachers sitting around the mats in a dojo.
The children are competing in a martial arts tournament.
There is no indication that the children are competing in a martial arts tournament.
(-x)
exists e1 s1 x1 x2 x3.(n_child(x1) & in(e1,x2) & n_tournament(x2) & of(x2,x3) & n_art(x3) & a_martial(s1) & Theme(s1,x2) & Actor(e1,x1) & v_compete(e1))