You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.
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Question: Category: FEMINISM 
Clue: Co, Po & Na are proposed alternatives to this male pronoun traditionally used when gender is unknown

Answer: he


Question: Category: MEDICINE 
Clue: Robert Koch, in 1876, was the first to identify the bacterium causing a specific disease, this disease of cattle & man

Answer: anthrax


Question: Category: HEAVY EQUIPMENT 
Clue: Used in this industry, an excavator made by Krupp is the largest land vehicle ever created

Answer:
mining