The large white bird's reflection shows in the water.
The water shows a reflection.
if the bird's reflection shows in water, water shows a reflection.
exists s1 s2 x1 x2 x3 x4.(n_water(x4) & n_show(x2) & of(x2,x3) & n_reflection(x3) & of(x2,x1) & n_bird(x1) & a_white(s2) & Theme(s2,x1) & a_large(s1) & Theme(s1,x1) & a_topic(x2) & in(x2,x4))
exists e1 x1 x2.(n_water(x1) & Theme(e1,x2) & Actor(e1,x1) & v_show(e1) & n_reflection(x2))