Meaning: This sentence describes someone laughing in a gentle and amused manner at a funny or foolish story.
Choice of Words: The word "giggled" is a synonym for laughed, which is a more informal and lighthearted way of expressing amusement. "Softly" means in a quiet or gentle manner, contrasting with the loud laughter in the prompt. "Silly" is used to describe something amusing or foolish, and "story" refers to a narrative or account of events.