Definition: In this task, you are given a multiple-choice question about healthcare. Answer the question based on your information and classify your answers into '1', '2', '3', and '4'.
Input: Question: It is a genus of strict anaerobic bacteria that produce endospores and that contain pathogenic species: 
 Options:  <1> Bacteroides. <2> Bacillus. <3> Clostridium <4> Corynebacterium <5> Mycobacterium
