Two large seagulls are in the water.
There are two large seagulls in the water.
If something is in the water, then there are things in the water.
exists p1 s1 x1 x2.(n_water(x2) & in(x1,x2) & n_seagull(x1) & a_large(s1) & Theme(s1,x1) & card_eq_2(x1))
exists p1 x1 x2.(n_water(x2) & in(p1,x2) & exists s1 x3.((x1 = x3) & n_seagull(x3) & a_large(s1) & Theme(s1,x3) & card_eq_2(x3)))