A woman lets her dog drink while on a walk.
A woman's beagle taking a drink while on a walk.
Just because there is a dog taking a drink while on a walk, it doesn't necessarily mean that the dog is a beagle.
exists e1 x1 x2 x3 x4.(on(e1,x4) & n_walk(x4) & r_while(e1) & Theme(e1,x2) & Actor(e1,x1) & v_let(e1) & n_drink(x2) & of(x2,x3) & n_dog(x3) & of(x2,x1) & n_female(x1) & n_woman(x1))
exists e1 x1 x2 x3 x4 x5.(a_topic(x2) & on(e1,x5) & n_walk(x5) & r_while(e1) & Theme(e1,x4) & Actor(e1,x3) & v_take(e1) & n_drink(x4) & (x2 = x3) & n_beagle(x2) & of(x2,x1) & n_woman(x1))