Does "For example, if the requirement that every element has an inverse is eliminated, the resulting algebraic structure is called a monoid." contain the correct answer to "What method formally adds inverses to elements to any monoid?"

A: no

Does "These oracles may include (but are not limited to) specifications, contracts, comparable products, past versions of the same product, inferences about intended or expected purpose, user or customer expectations, relevant standards, applicable laws, or other criteria." contain the correct answer to "What make up the oracle during testing?"

A: yes

Does "The relationship kept the flow of profits from the gang's gambling dens, prostitution, and protection rackets undisturbed.[citation needed]" contain the correct answer to "When was Jinrong a police chief in this area?"

A:
no