A man in an orange vest leans over a pickup truck.
A man is touching a truck.
man leans over a pickup truck implies that he is touching it.
exists e1 x1 x2 x3 x4 x5.(over(e1,x4) & n_truck(x4) & of(x4,x5) & n_pickup(x5) & Actor(e1,x1) & v_lean(e1) & in(x1,x2) & n_vest(x2) & of(x2,x3) & n_orange(x3) & n_man(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_touch(e1) & n_truck(x2) & n_man(x1))