a black dog sits on the floor.
A black dog sits on the floor after eating his meal.
It is not implied that the dog sits after eating.
exists e1 s1 x1 x2.(n_floor(x2) & on(e1,x2) & Actor(e1,x1) & v_sit(e1) & n_dog(x1) & a_black(s1) & Theme(s1,x1))
exists e2 e1 s1 x1 x2 x3.(n_meal(x3) & of(x3,x2) & n_male(x2) & n_floor(x2) & after(e1,e2) & Theme(e2,x3) & Actor(e2,x1) & v_eat(e2) & on(e1,x2) & Actor(e1,x1) & v_sit(e1) & n_dog(x1) & a_black(s1) & Theme(s1,x1))