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: SCIENCE CLASS 
Clue: (Sofia of the Clue Crew reports)  Botanists divide a flower into four main parts: sepals, petals, stamens & these

Answer: pistils


Question: Category: WORD 
Clue: The word spider comes from an Old English form of this verb, referring to its web-weaving

Answer: spin


Question: Category: AFRICA 
Clue: Lake Edward in the Congo & Uganda was discovered by this Anglo-American journalist & explorer

Answer:
henry stanley