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: AT RANDOM 
Clue: A cross between tennis & ping-pong, this sport was named for a dog, not a gherkin

Answer: pickle ball


Question: Category: LAW 
Clue: In Latin legal lingo it means "by the fact itself"

Answer: ipso facto


Question: Category: ART & ARTISTS 
Clue: In 1879 she became the first & only American woman to exhibit with the Impressionists

Answer:
mary cassatt