Soccer players in blue and white fight for the ball in midair.
They are professional soccer players
Soccer players in blue and white are not necessarily professional players.
exists s1 s2 x1 x2 x3 x4 x5.(n_ball(x4) & a_topic(x1) & in(x1,x3) & for(x3,x4) & in(x4,x5) & n_midair(x5) & n_fight(x3) & a_white(s2) & Theme(s2,x3) & a_blue(s1) & Theme(s1,x3) & n_player(x1) & (x1 = x2) & ne_nam_soccer(x2))
exists p1 x1.(n_thing(x1) & exists s1 x2 x3.((x1 = x2) & n_player(x2) & of(x2,x3) & n_soccer(x3) & a_professional(s1) & Theme(s1,x2)))