The man is in a field of tulips.
Songs on flowers are good
A man and a song are two different types of things.  Tulips are a specific type or flower, whereas flowers can be any type.
exists p1 x1.(n_man(x1) & exists x2 x3.(in(x1,x2) & of(x2,x3) & n_tulip(x3) & n_field(x2)))
exists s1 x1 x2.(Theme(s1,x1) & a_good(s1) & on(x1,x2) & n_flower(x2) & n_song(x1))