Two men, both wearing racing outfits, racing a three wheel dirt bike.
Two guys are playing beach volleyball.
If people are playing beach volleyball it would be impossible for them to be racing a dirt bike.
exists e1 e2 x1 x2 x3 x4 x5 x6 x7 x8.(Theme(e2,x6) & Actor(e2,x1) & v_race(e2) & n_bike(x6) & of(x6,x8) & n_dirt(x8) & of(x6,x7) & n_wheel(x7) & card_eq_3(x6) & rel(x1,x2) & Theme(e1,x4) & Actor(e1,x3) & v_wear(e1) & n_outfit(x4) & of(x4,x5) & n_racing(x5) & (x2 = x3) & n_thing(x2) & n_man(x1) & card_eq_2(x1))
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_volleyball(x2) & of(x2,x3) & n_beach(x3) & n_guy(x1) & card_eq_2(x1))