Increasing degree of substitutability between postal delivery services and telephone services over past decade, from -0.
Telephone service and postal delivery service have become more interchangeable.
Postal service cannot substitute for telephone service at all.
I spent some time in a prison stockade.
A boy tosses a ball at a woman who is sleeping.
A biker is resting on the side of the road.
A man is jumping.
The city was dedicated to the god of war.
the cats eat fish