Several young adults performing in martial arts clothing.
Children in street-clothes are performing martial arts.
Martial arts clothing are not the same as street-clothes.
exists e1 s1 s2 s3 x1 x2 x3 x4.(a_topic(x1) & in(e1,x3) & n_clothing(x3) & of(x3,x4) & n_art(x4) & a_martial(s3) & Theme(s3,x3) & Actor(e1,x2) & v_perform(e1) & (x1 = x2) & n_adult(x1) & a_young(s2) & Theme(s2,x1) & a_several(s1) & Theme(s1,x1))
exists e1 s1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_perform(e1) & n_art(x3) & a_martial(s1) & Theme(s1,x3) & in(x1,x2) & n_street-clothe(x2) & n_child(x1))