A man on a boat and has a beautiful sky above him.
A man is navigating in a storm.
If the sky is beautiful then there is no storm.
exists e1 s1 x1 x2 x3 x4 x5.(a_topic(x3) & Theme(e1,x5) & Actor(e1,x4) & v_have(e1) & above(x5,x1) & n_male(x1) & n_sky(x5) & a_beautiful(s1) & Theme(s1,x5) & (x3 = x4) & n_man(x3) & a_topic(x1) & on(x1,x2) & n_boat(x2) & n_man(x1))
exists e1 x1 x2.(in(e1,x2) & n_storm(x2) & Actor(e1,x1) & v_navigate(e1) & n_man(x1))