Anchor: Development and maintenance of a toxicity test laboratory quality assurance (QA) program requires an ongoing commitment by laboratory management, and includes the  (1) appointment of a laboratory quality assurance officer with the responsibility and authority to develop and maintain a QA program;
Entailed: The QA program requires a commitment by the lab management.
Contradiction: The QA program requires a commitment by the compliance management.
Contradiction: A young boy is swimming in the pond.
Contradiction: America-mura is is a place with many stores selling secondhand apparel imported from the US. 
Contradiction: A man cooks spaghetti for dinner.
Contradiction: We conducted research and found some groups that were effective in reducing improper payments.