Remember: Helpful details are signal. Extra details are noise. Class words: Remove the noise.
After school, Yasmin went to the park with her friends. They sat on the green bench near the fountain and shared a bag of popcorn. Yasmin’s phone had a purple case with tiny stars, and she usually kept it in the front pocket of her jacket. She took many photos of a brown dog chasing a yellow ball. Later her group walked to the ice cream shop on the corner. When Yasmin wanted to show her mom a photo, her pocket was empty. She had left her phone on the kitchen table at home while she looked for her keys before leaving, and she never put the phone back in her jacket.
These details are noise. You can delete them and still understand the story:
These details are signal. Keep them — they tell us what really happened:
One sentence only: Yasmin left her phone on the kitchen table at home and never put it back in her jacket.