Brown dog jumping over a hurdle.
The dog jumps.
The dog could be a brown dog.
exists e1 s1 x1 x2 x3.(a_topic(x1) & over(e1,x3) & n_hurdle(x3) & Actor(e1,x2) & v_jump(e1) & (x1 = x2) & n_dog(x1) & a_brown(s1) & Theme(s1,x1))
exists e1 x1.(n_dog(x1) & Actor(e1,x1) & v_jump(e1))