Anchor: A key reliability requirement for the F-22 is mean time between maintenance, defined as the number of operating hours for the aircraft divided by the number of maintenance actions.
Entailed: An F-22 key reliability requirement is mean time between maintenance. 
Contradiction: The F-22 does not need mean time between maintenance. 
Contradiction: That mode only allows for 3 minutes of use. 
Contradiction: women using a espresso machine
Contradiction: man burns down house
Contradiction: Large group standing together