A snarling dog approaches a hissing cat.
The dog will be struck by the cat and scared off.
A mad dog coming towards a hissing cat will not always be struck by the cat, and even if it is, it may not be scared off.  There are many different actions and reactions in this scenario.
exists e1 e2 x1 x2 x3.(Theme(e2,x2) & Actor(e2,x1) & v_approach(e2) & n_cat(x2) & of(x2,x3) & n_hissing(x3) & n_dog(x1) & Actor(e1,x1) & v_snarl(e1))
exists e2 e1 s1 x1 x2.(n_dog(x1) & n_cat(x2) & a_off(s1) & Manner(e2,s1) & Actor(e2,x1) & v_scare(e2) & Actor(e1,x2) & Theme(e1,x1) & v_strike(e1))