This man's dog looks surprised.
A dog tastes bacon for the first time.
A dog looking surprised doesn't indicate he tasted bacon for the first time
exists e1 p1 x1 x2.(n_dog(x2) & of(x2,x1) & n_man(x1) & exists s1.(Theme(s1,x2) & a_surprised(s1)) & Topic(e1,p1) & Actor(e1,x2) & v_look(e1))
exists e1 s1 x1 x2 x3.(n_time(x3) & a_first(s1) & Theme(s1,x3) & for(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_taste(e1) & n_bacon(x2) & n_dog(x1))