Anchor: Permitted power generating plants may opt into the trading program.
Entailed: Power generating plants allowed to may decide to do the trading program. 
Contradiction: No power plants were permitted to opt into the trading program.
Contradiction: The paintings are very carefully placed in classical order.
Contradiction: A famished person is sitting outdoors.
Contradiction: A man walks under an umbrella.
Contradiction: A little kid playing in a boat.