Anchor: Teen-age girls are taking them to improve performance and win college athletic scholarships.
Entailed: They are being taken by teen girls to improve their performance. 
Contradiction: Teen age girls are fine with mediocre performance and aren't taking anything to improve it. 
Contradiction: people in cars
Contradiction: two guys and a cameraman are interacting
Contradiction: Divorcees are taking a photo together.
Contradiction: The Explorer explained he was called Red.