Anchor: Why, Mary, what a gruesome conversation! cried Mrs. Inglethorp. 
Entailed: This is a disgusting type of conversation, Mary.  
Contradiction: This conversation is normal and not at all gruesome.  
Contradiction: Don't rake use a leaf blower
Contradiction: The man is riding a bicycle.
Contradiction: The Mars Polar Lander disaster threatens Nasa to disclose the truth to the public regarding extraterrestrials.
Contradiction: The eagle is outdoors.