A man in a wetsuit is surfing on blue water.
The man has a blue surfboard.
Nothing about surfing on blue water implies possession of a blue surfboard.
exists e1 s1 x1 x2 x3.(on(e1,x3) & n_water(x3) & a_blue(s1) & Theme(s1,x3) & Actor(e1,x1) & v_surf(e1) & in(x1,x2) & n_wetsuit(x2) & n_man(x1))
exists e1 s1 x1 x2.(n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_surfboard(x2) & a_blue(s1) & Theme(s1,x2))