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: SONGS 
Clue: The title song in an Elvis film, it was written for the 1937 Bing Crosby film "Waikiki Wedding"

Answer: blue hawaii


Question: Category: WEDDINGS 
Clue: In 2002 a hot pink frock worn by Robin Durr won the DeKuyper Contest for the worst of these

Answer: a bridesmaid\'s dress


Question: Category: NATURAL WONDERS 
Clue: Given its current name by John Wesley Powell, it was called Kaibab, or "mountain lying down" by the Paiutes

Answer:
the grand canyon