Anchor: i've thought about taking a course just so i could change my own oil  but and that would help a little bit but i haven't done it
Entailed: I've considered taking a course to learn how to change oil.
Contradiction: I would never think about taking a course to learn how to change oil.
Contradiction: A boy is playing paintball.
Contradiction: Amending the Clean Air Act could reduce air pollution through expansion of cap and trade programs.
Contradiction: The owner of each unit should halt CEMS to affect sulfur dioxide.
Contradiction: A girl with art on her face stands with others.