Two men in all black practice a fighting sport with sticks while a man in a blue shirt looks on.
They are great at sports.
You can practice fighting sports without being great.
exists p1 p2 p3 x1.(r_two(p1) & Time(p1,x1) & n_man(x1) & all x5 e2.((n_sport(x5) & Actor(e2,x5) & v_fight(e2)) -> all s3 x6.((n_practice(x6) & a_black(s3) & Theme(s3,x6)) -> exists x7.(in(p1,x6) & with(x6,x7) & n_stick(x7) & for(x6,x5)))) & exists x4.n_event(x4) & exists e1 p4 s1 x2 x3.(exists s2.(Theme(s2,x2) & a_on(s2)) & Topic(e1,p4) & Actor(e1,x2) & v_look(e1) & in(x2,x3) & n_shirt(x3) & a_blue(s1) & Theme(s1,x3) & n_man(x2)) & while(p2,p3))
exists s1 x1.(at(s1,x1) & n_sport(x1) & Theme(s1,x1) & a_great(s1) & n_thing(x1))