A dog chews on a stick.
A car is about to drive up onto the sidewalk in an urban area.
There either is a car or a dog present.
exists e1 x1 x2.(on(e1,x2) & n_stick(x2) & Actor(e1,x1) & v_chew(e1) & n_dog(x1))
exists p1 s1 x1 x2.(n_sidewalk(x2) & Topic(s1,p1) & Actor(s1,x1) & a_about(s1) & exists e1 s2 s3 x3.(in(e1,x3) & n_area(x3) & a_urban(s3) & Theme(s3,x3) & onto(e1,x2) & a_up(s2) & Manner(e1,s2) & Actor(e1,x1) & v_drive(e1)) & n_car(x1))