Athletes wearing red and white uniforms are playing soccer.
they are playing basball
They do not have to be athletes.   People are either playing soccer or baseball.
exists e2 e1 s1 s2 x1 x2 x3 x4.(Theme(e2,x4) & Actor(e2,x1) & v_play(e2) & n_soccer(x4) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_uniform(x3) & a_white(s2) & Theme(s2,x3) & a_red(s1) & Theme(s1,x3) & (x1 = x2) & n_athlete(x1))
exists e1 x1 x2.(n_thing(x1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_basball(x2))