A man in a rowboat is rowing across blue water.
The man is in a boat on the water.
A rowboat is a type of boat, and "water" is a rephrasing of "blue water"
exists e1 s1 x1 x2 x3.(across(e1,x3) & n_water(x3) & a_blue(s1) & Theme(s1,x3) & Actor(e1,x1) & v_row(e1) & in(x1,x2) & n_rowboat(x2) & n_man(x1))
exists p1 x1 x3.(n_water(x3) & n_man(x1) & exists x2.(in(x1,x2) & on(x2,x3) & n_boat(x2)))