Someone is walking their dogs.
A woman does cartwheels while holding her dogs.
It is not possible to walk and do cartwheels simultaneously.
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_walk(e1) & n_dog(x2) & of(x2,x1) & n_thing(x1) & n_person(x1))
exists e2 e1 x1 x2 x3.(while(e1,e2) & Theme(e2,x3) & Actor(e2,x1) & v_hold(e2) & n_dog(x3) & of(x3,x1) & n_female(x1) & Theme(e1,x2) & Actor(e1,x1) & v_do(e1) & n_cartwheel(x2) & n_woman(x1))