Long-necked, flying white bird grazes water with black legs.
A bird soaring over mountains.
the bird is grazing water not soaring over mountains
exists e2 e1 s1 s2 x1 x2 x3.(r_long-necked(e2) & with(e2,x3) & n_leg(x3) & a_black(s2) & Theme(s2,x3) & Theme(e2,x2) & Actor(e2,x1) & v_graze(e2) & n_water(x2) & n_bird(x1) & a_white(s1) & Theme(s1,x1) & Actor(e1,x1) & v_fly(e1))
exists e1 x1 x2 x3.(a_topic(x1) & over(e1,x3) & n_mountain(x3) & Actor(e1,x2) & v_soar(e1) & (x1 = x2) & n_bird(x1))