Anchor: Analysts say cable-modem service will be ubiquitous by the turn of the century.
Entailed: People think cable-modem service won't be the same by the next century. 
Contradiction: Analysts have not speculated on cable-modems. 
Contradiction: I do not work with anyone in accidents at all.  
Contradiction: A dog is running.
Contradiction: A couple dancing in their living room.
Contradiction: She returned to the place again.