an old lady walks down the street.
A old lady is walking to work.
There are other places she could walk besides work.
exists e1 s1 x1 x2.(n_street(x2) & down(e1,x2) & Actor(e1,x1) & v_walk(e1) & n_lady(x1) & a_old(s1) & Theme(s1,x1))
exists e1 p1 s1 x1.(Topic(e1,p1) & Actor(e1,x1) & v_walk(e1) & exists e2.(Actor(e2,x1) & v_work(e2)) & n_lady(x1) & a_old(s1) & Theme(s1,x1))