Anchor: Weather permitting, you can take a ride on one of the steamers.
Entailed: You can take a ride on one of the steamers if the weather permits. 
Contradiction: Riding the Steamers is great regardless of the weather conditions. 
Contradiction: Everyone hates ice cream.
Contradiction: A pack of dogs have been trained to help their human companion.
Contradiction: Selected children in Head Start Planned Variation were studied in the 1950s.
Contradiction: A man got relaxed with the help of newspaper.