Men standing on shore with fishing pole and boat in water
There is a white boat.
Being a boat doesn't imply that it is white.
exists x1 x2 x3 x4 x5 x6 x7 x8.(a_topic(x1) & on(x1,x3) & in(x3,x8) & n_water(x8) & with(x3,x4) & n_boat(x6) & n_pole(x5) & of(x5,x7) & n_fishing(x7) & subset_of(x6,x4) & subset_of(x5,x4) & n_shore(x3) & n_standing(x1) & of(x1,x2) & n_man(x2))
exists p1 x1 s1 x2.((x1 = x2) & n_boat(x2) & a_white(s1) & Theme(s1,x2))