Complex sentence: Ecstatic after reading the note, and encouraged by her best friend Gabby, Melissa approaches Drew during lunch, but Drew and his friends humiliate her by telling her it was a joke in front of the whole school, prompting Melissa to run away.
Split into simpler sentences: Ecstatic after reading the note, and encouraged by her best friend Gabby, Melissa approaches Drew during lunch. But Drew and his friends humiliates her by telling her it was a joke in front of the whole school, prompting Melissa to run away.