A man in black swimming gear parasails.
Someone is in water.
When one parasails they are also in the water.
exists s1 x1 x2 x3 x4.(a_topic(x1) & in(x1,x2) & n_parasail(x2) & of(x2,x4) & n_gear(x4) & of(x2,x3) & n_swimming(x3) & a_black(s1) & Theme(s1,x2) & n_man(x1))
exists p1 x1.(exists x2.(in(x1,x2) & n_water(x2)) & n_person(x1))