Anchor: When the return to stockholders rises by 150 percent, so must the price of your company's stock.
Entailed: Your company's stock price must increase if shareholder return increases by 150 percent. 
Contradiction: Stock price doesn't have to increase just because shareholder return is extremely high.
Contradiction: I am in huge debt.
Contradiction: The child is happy.
Contradiction: I don't listen to the radio.
Contradiction: A group of people gather.