There are four kids practicing what appears to be karate.
Four kids practicing karate.
THE KIDS KNOW KARATE
exists p1 x1 x2 x3.((x1 = x2) & exists e1 e2 p2 x4.(n_thing(x4) & Theme(e2,x4) & Actor(e2,x3) & v_practice(e2) & Topic(e1,p2) & Actor(e1,x4) & v_appear(e1) & exists s1.(Theme(s1,x4) & a_karate(s1))) & (x2 = x3) & n_kid(x2) & card_eq_4(x2))
exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_practice(e1) & n_karate(x3) & (x1 = x2) & n_kid(x1) & card_eq_4(x1))