Anchor: Nearly three months ago, when the administration at the National Autonomous University of Mexico proposed a raise in student tuition from 2 cents to about $150 a year, students closed down the classes with a strike, affecting 267,000 students and 30,000 professors.
Entailed: When a raise in tuition was proposed from 2 cents to about $150 a year, students went on strike.
Contradiction: When a raise in tuition was proposed from 2 cents to about $150 a year, students agreed with the proposition. 
Contradiction: He relaxes on the beach.
Contradiction: The obscure psych book came in a bundle with it. 
Contradiction: the child is sleep
Contradiction: A person wearing inline skates is doing a trick on a rail.