Two men are riding a blue and white jet ski.
the men rode the yellow jet ski
The jet ski cannot be blue and white and yellow simultaneously.
exists e1 s1 s2 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_ski(x2) & of(x2,x3) & n_jet(x3) & a_white(s2) & Theme(s2,x2) & a_blue(s1) & Theme(s1,x2) & n_man(x1) & card_eq_2(x1))
exists e1 s1 x1 x2 x3.(n_ski(x2) & of(x2,x3) & n_jet(x3) & a_yellow(s1) & Theme(s1,x2) & n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1))