Young people practice some form of martial arts.
People practice some form of martial arts.
People, speicifcally young, practice martial arts.
exists e1 s1 s2 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_practice(e1) & of(x2,x3) & n_art(x3) & a_martial(s2) & Theme(s2,x3) & n_form(x2) & n_people(x1) & a_young(s1) & Theme(s1,x1))
exists e1 s1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_practice(e1) & of(x2,x3) & n_art(x3) & a_martial(s1) & Theme(s1,x3) & n_form(x2) & n_people(x1))