Anchor: Six persons had taken coffee, and six cups were duly found. 
Entailed: The number of cups was equal to the number of people who took coffee.
Contradiction: Only five people had taken coffee, and three cups were found.
Contradiction: The Mac was the only machine with 24-bit color support and additional co-processing chips enabling true multitasking.
Contradiction: The girl is happy
Contradiction: The Department of Homeland Security is accountable to no one.
Contradiction: A man crouches