a brown and black dog running across a grassy field
The dog is sitting on the porch.
The dog cannot be sitting and running at the same time.
exists e1 s1 s2 s3 x1 x2 x3.(a_topic(x1) & across(e1,x3) & n_field(x3) & a_grassy(s3) & Theme(s3,x3) & Actor(e1,x2) & v_run(e1) & (x1 = x2) & n_dog(x1) & a_black(s2) & Theme(s2,x1) & a_brown(s1) & Theme(s1,x1))
exists e1 x1 x2.(n_porch(x2) & n_dog(x1) & on(e1,x2) & Actor(e1,x1) & v_sit(e1))