Anchor: A balding professor giving a lecture to students on the topic of "opportunity".
Entailed: A professor with hair giving a lecture to students.
Contradiction: A professor with no hair giving a lecture to students.
Contradiction: Children can live off of eating air.
Contradiction: The guy is indoors.
Contradiction: She didn't tap Albert's shoulder.
Contradiction: Hence, it regards a grocery store ad with contact information as a letter.