story: Lily's elderly aunt always wore a flowered bonnet on Easter. Lily thought it would be funny to play a prank on her aunt. She stuck wildflowers and weeds all over a plain sun hat. Then she gave the hat to her aunt. Happy tears welled in old eyes as Lily's aunt accepted the hat.
 selected sentence: Lily thought it would be funny to play a prank on her aunt.
Lily wants to prank her aunt >Causes/Enables> Lily sticks weeds in a sun hat