Wanted- motivation: the gist of the issue; what somebody is trying to accomplish, achieve, or acquire.

Topic sentence: State the main idea of the paragraph.

This should introduce the reading you selected.
In the story Orpheus and Eurydice by Betty Bonham Lies we see the main characters go through different situations.

Throughout the story, the main characters of Orpheus and Eurydice are driven by their desire for motivation. They are trying to accomplish, achieve, or acquire something that is important to them.