story: There was a very tall tree growing alone on a hillside. The tree had strong branches and many sheltered spots. A pair of eagles returned to nest there every year. They chose a sheltered spot with a good view. The tall tree was a good safe place for their nest.
 selected sentence: The tree had strong branches and many sheltered spots.
The tree is strong with a lot of shelter >Causes/Enables> A pair of eagles nest there every year 