Two young boys dressed in white karate uniforms compete with each other while a man looks on from the background.
People in uniforms.
Young boys dressed in white karate uniforms are people in uniforms.
exists e1 e2 p1 s1 s2 s3 x1 x2 x3 x6.(n_background(x6) & exists e3 x5.(r_on(e3) & from(e3,x6) & Actor(e3,x5) & v_look(e3) & n_man(x5)) & while(e2,p1) & all x4.(n_other(x4) -> with(e2,x4)) & Actor(e2,x1) & v_compete(e2) & in(e1,x3) & n_uniform(x3) & a_karate(s3) & Theme(s3,x3) & a_white(s2) & Theme(s2,x3) & Theme(e1,x2) & v_dress(e1) & (x1 = x2) & n_boy(x1) & a_young(s1) & Theme(s1,x1) & card_eq_2(x1))
exists x1 x2.(a_topic(x1) & in(x1,x2) & n_uniform(x2) & n_people(x1))