Anchor: um i took a voice IO course
Entailed: The course I took was voice IO.
Contradiction: I missed the voice IO course that I was supposed to take.
Contradiction: The total household bill not reported in the fourth row.
Contradiction: Some non-popular scientists have come out saying CFC's may not be the main problem.
Contradiction: The men are eating burritos
Contradiction: Both critical and noncritical objectives of performance.