The uproar once Evan's parents announced to change their annual Grand Canyon trip to one closer to home was deafening. Evan looked forward to the trip all year long. He didn't understand why his parents wanted to change everything now.
The Grand Canyon had it all. Evan could go kayaking down the river by himself. He could also hiking through the canyon to find
new plants and insects. These were essential for a great summer. The place Evan's parents proposed was entirely different from
the Grand Canyon. It had stuffy, old museums and a small swimming pool
, Evan couldn't even go hiking or kayaking. This was
going to be a disastrous summer.
The passage above uses what organizational structure?