Anchor: 'It's never a good idea to ignore a perfect opportunity.'
Entailed: If you have a perfect chance at something you should not ignore  it. 
Contradiction: Opportunities of all kinds should be ignored. 
Contradiction: The men are performing at the piano recital.
Contradiction: Merging costs would need to be less than the costs of co-working contractually for the deal to be viable.
Contradiction: There is a woman playing baseball.
Contradiction: There are lessons to learn as you move from system integration to system demonstration.