Anchor: Stock options, after all, serve no useful purpose in the real economy.
Entailed: Stock options are not a useful instrument in the actual market. 
Contradiction: Stock options offer the most real-world benefit for employees.
Contradiction: Stock options serve a purpose in the real economy.
Contradiction: Stock options do important things in the real economy.
Contradiction: an all white dog plays on a very sandy beach
Contradiction: A woman hanging from a cliff.