Anchor: A runner is safe at home plate at a youth softball game.
Entailed: A runner is safe at home plate at a softball game.
Contradiction: A runner is safe at home plate at a youth baseball game.
Contradiction: Las Vegas was named by Americans travelling to the West.
Contradiction: The goal of the study at first was to encourage alcohol treatment after leaving the hospital. 
Contradiction: the men and women are in the mall
Contradiction: The tourists are enjoying the ride.