He is walking with a trash bag.
.  It is garbage day.
Just because the man walks with a trash bag, it does not mean that it is garbage day.
exists e1 x1 x2.(with(e1,x1) & n_bag(x1) & of(x1,x2) & n_trash(x2) & Actor(e1,x1) & v_walk(e1) & n_male(x1))
(x)