Anchor: Charlotte's busing success hinged on several things.
Entailed: There were things that could help Charlotte's success. 
Contradiction: Charlotte only wanted to go to sleep. she had failed miserably. 
Contradiction: Madam, I regret to inform you I will not be attending.
Contradiction: He was bored with it more than other works by the same person.
Contradiction: Investors say Microsoft is successful because it lacks monopoly power.
Contradiction: The stock market could have reason despite the majority of companies according to the article.