A child with a red sash practices martial arts.
there is a child playing karate
Karate is not the only form of martial arts a child can practice.
exists s1 x1 x2 x3 x4.(a_topic(x1) & with(x1,x2) & n_martial(x2) & Time(x2,x4) & n_art(x4) & n_practice(x2) & of(x2,x3) & n_sash(x3) & a_red(s1) & Theme(s1,x2) & n_child(x1))
exists p1 x1 x2 x3 x4.((x1 = x2) & n_karate(x2) & of(x2,x4) & n_playing(x4) & of(x2,x3) & n_child(x3))