Task: Text Categorization
Input (English): Question: Which Clostridium genus is a producer of enterotoxin A and cytotoxin B responsible for diarrhea (pseudomembranous colitis) associated with treatment with antimicrobials ?: 
 Options:  <0> Clostridium perfringens. <1> Clostridium difficile. <2> Clostridium botulinum. <3> Clostridium novyi. <4> Clostridium histolyticum.
Output (English): pharmacology