Anchor: critical and noncritical performance objective.
Entailed: Both critical and noncritical objectives of performance. 
Contradiction: Performance objectives cannot be critical nor noncritical. 
Contradiction: the officer sat in the diner all morning
Contradiction: The course was designed for short travel to Oxford Street.
Contradiction: Milopotamos is on Thasos while Makriamos is on Ios.
Contradiction: Even though the white South African government was a staunch U.S. ally in the Cold war, we still did this.