Anchor: Many centers also offer an introductory session commonly known as the Discover Scuba program.
Entailed: Many centers offer a discover scuba program. 
Contradiction: Centers don't give an introductory scuba class, they make you just jump in.
Contradiction: The government would lay out a clear plan on how to reduce emissions.
Contradiction: A jockey is racing thier horse.
Contradiction: A man climbing a beam
Contradiction: There is a barefoot boy playing a guitar