Anchor: Caught in the act, and somewhat flurried he hastily shuts and locks his desk. 
Entailed: Someone caught him, and he then locked his desk.
Contradiction: He took his time in shutting and locking his desk.
Contradiction: A couple walking with their child through a shopping mall.
Contradiction: There is something impeding the path.
Contradiction: There are gymnasts at a competition.
Contradiction: Two people are on a mountain.