Contemplate in a sentence?

Many users on WikiAnswers like to contemplate their answers before they post them on the website.

The class was studying caterpillars and how they turn into butterflies, but Lauren just could not contemplate how they could change into completely different things.

Lucy sat on the floor and contemplated the results of her test, thinking about how she could do better next time and what had gone wrong!

I contemplated doing the project myself, but it would have taken too long.

I was contemplating the beauty of the lake, and dreamed about my sweetheart. To contemplate is the main tool for meditation.