Anchor: because i mean and by the time you have computer for five years you're going to throw it away anyway
Entailed: Computers are eventually disposed of. 
Contradiction: A computer is disposable only after ten years of use. 
Contradiction: a dog is purple
Contradiction: There was a possibility.
Contradiction: Only the top three busiest freeways in the nation are in the L.A. vicinity, numbers four and five are in New York.
Contradiction: People are walking for breast cancer