Anchor: A bare chested man in shorts is fixing a roof while another man wearing the same thing looks on.
Entailed: The two men are shirtless.
Contradiction: The men are shivering cold.
Contradiction: There is no rule for gas marine engines.
Contradiction: The convent's nuns maintain their isolation; special permission must be obtained by those who wish to come inside. 
Contradiction: The group prepares to leave for a colony on Mars.
Contradiction: The road that is shown is not incredibly smooth.