It is extremely important that these rules and regulations be known, understood, and complied with by all persons responsible for, or otherwise involved in performing the toxicity testing activities.
People were harmed before the testing regulations were put in place.
mnli hypothesis: People were harmed before the testing regulations were put in place. premise: It is extremely important that these rules and regulations be known, understood, and complied with by all persons responsible for, or otherwise involved in performing the toxicity testing activities.