Simplify the following text for a Grade 6 native English-speaking person.
Original: Seeing an opportunity for a game , Giovanni hides and sends Leporello out in the open dressed as Giovanni . From his hiding place Giovanni sings a promise of repentance , expressing a desire to return to her , while Leporello poses as Giovanni and tries to keep from laughing .
Simplified: Giovanni and Leporello arrive and hear her .