A swan is flying above water.
thwe swan is swimming
The swan is either flying above the water or swimming
exists e1 x1 x2.(above(e1,x2) & n_water(x2) & Actor(e1,x1) & v_fly(e1) & n_swan(x1))
exists e1 x1 x2.(Actor(e1,x1) & v_swim(e1) & n_swan(x1) & of(x1,x2) & n_thwe(x2))