Eight men in different colored gear are racing on a track.
the men are building a deck
The men cannot be both racing on a track and building a deck.
exists e1 s1 s2 x1 x2 x3 x4.(n_gear(x3) & a_colored(s2) & Theme(s2,x3) & on(e1,x4) & n_track(x4) & Actor(e1,x1) & v_race(e1) & in(x1,x2) & -(x2 = x3) & n_gear(x2) & a_colored(s1) & Theme(s1,x2) & n_man(x1) & card_eq_8(x1))
exists e1 x1 x2.(n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_build(e1) & n_deck(x2))