    Sentence 1: Officials developed plans to  burn about 2,000 acres of dense forest near  the park 's southwest border by dropping  incendiary devices , hoping to burn off fuel  from the wildfire 's path .    Sentence 2: Officials tentatively planned to  burn about 2,000 acres of dense forest by  dropping incendiary devices from the air ,  aiming to remove fuel from the wildfire 's  path .