A man and a woman are sitting in a rowboat on calm water.
A boat on calm water holds a man and a woman.
A rowboat is a boat and a man and a woman sitting on a rowboat implies that the rowboat is holding them.
exists e1 s1 x1 x2 x3 x4 x5.(in(e1,x4) & on(x4,x5) & n_water(x5) & a_calm(s1) & Theme(s1,x5) & n_rowboat(x4) & Actor(e1,x1) & v_sit(e1) & subset_of(x3,x1) & n_woman(x3) & subset_of(x2,x1) & n_man(x2))
exists e1 s1 x1 x2 x3 x4 x5.(Theme(e1,x3) & Actor(e1,x1) & v_hold(e1) & subset_of(x5,x3) & n_woman(x5) & subset_of(x4,x3) & n_man(x4) & on(x1,x2) & n_water(x2) & a_calm(s1) & Theme(s1,x2) & n_boat(x1))