It's wrong to try to take someone's belonging from them.
Sally was sitting on a bench waiting for the bus when she sees a woman forget her purse when she gets up to board the bus.
Sally wants to return the purse.
Sally picks up the purse and hurries to bring it to the woman before she leaves.
Sally picks up the purse and takes the money from it before returning it to the woman.
The woman is grateful and gives Sally five dollars for helping her.
The woman realizes that the money is missing and reports Sally to the authorities.