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.

Q: Category: LANGUAGES OF EUROPE 
Clue: A mixture of English & Spanish, Llanito is the language of this territory's 30,000 residents

A: gibraltar
****
Q: Category: AMERICAN POETRY 
Clue: Walt Whitman called this "the beautiful uncut hair of graves"

A: grass
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Q: Category: ART 
Clue: This technique, from Latin for "to look through", began in Western painting in works like the one seen here

A:
perspective
****