A dog walks through a field.
A deer roams around the field.
The dog scent will linger and chase away deer.
exists e1 x1 x2.(through(e1,x2) & n_field(x2) & Actor(e1,x1) & v_walk(e1) & n_dog(x1))
exists e1 x1 x2.(n_field(x2) & around(e1,x2) & Actor(e1,x1) & v_roam(e1) & n_deer(x1))