A man wearing a black shirt and black shorts is leaning on a deck looking over a body of water
A deck is splashing around in the water because it wants to have fun.
A man is not a deck and  splashing is different than leaning. One can be either over or in water, but not both at the same time.
exists e2 e1 e3 s1 s2 x1 x2 x3 x4 x5 x6 x7 x8.(for(e2,e3) & over(e3,x7) & of(x7,x8) & n_water(x8) & n_body(x7) & Actor(e3,x1) & v_look(e3) & on(e2,x6) & n_deck(x6) & Actor(e2,x1) & v_lean(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & subset_of(x5,x3) & n_shorts(x5) & a_black(s2) & Theme(s2,x5) & subset_of(x4,x3) & n_shirt(x4) & a_black(s1) & Theme(s1,x4) & (x1 = x2) & n_man(x1))
exists e1 p1 s1 x1 x2.(n_thing(x2) & n_water(x2) & exists e2 p2.(Topic(e2,p2) & Actor(e2,x2) & v_want(e2) & exists e3 x3.(Theme(e3,x3) & Actor(e3,x2) & v_have(e3) & n_fun(x3))) & because(e1,p1) & in(e1,x2) & a_around(s1) & Manner(e1,s1) & Actor(e1,x1) & v_splash(e1) & n_deck(x1))