a young man parasailing in the ocean.
A young man in the air
Parasailing in the ocean does not necessarily mean he is in the air.
exists s1 x1 x2 x3.(n_ocean(x3) & a_topic(x1) & in(x1,x3) & n_parasailing(x1) & of(x1,x2) & n_man(x2) & a_young(s1) & Theme(s1,x1))
exists s1 x1 x2.(n_air(x2) & a_topic(x1) & in(x1,x2) & n_man(x1) & a_young(s1) & Theme(s1,x1))