A dog is running through a park
The dog is laying in the bed.
The dog cannot be laying in a bed, and running through a park at the same time.
exists e1 x1 x2.(through(e1,x2) & n_park(x2) & Actor(e1,x1) & v_run(e1) & n_dog(x1))
exists e1 x1 x2.(n_bed(x2) & n_dog(x1) & in(e1,x2) & Actor(e1,x1) & v_lay(e1))