In this task, you're given five sentences, numbered 1 through 5. Your job is to generate a title for the story that makes complete sense. The title must be short, with less than three words, use simple language, and include the main topic of the story.

Sentence 1: I went by the lake to observe the winter geese. Sentence 2: The sun was setting down and the geese were many. Sentence 3: I sat on the grass and waited for them to take flight. Sentence 4: After fifteen minutes, they started to move and flapped their wings. Sentence 5: I saw them leave as the sun was reflecting gold on their wings.
Winter geese