At a family gathering, Grandpa hides a gold coin in a brown box inside the living room cabinet as part of a treasure hunt game for his grandchildren. Aunt Mary overhears this and decides to make the game more challenging by moving the gold coin to a white box in the kitchen. Cousin Steve sees Aunt Mary's actions and moves the gold coin again, this time placing it inside a black box in the garage. Where will each family member involved think the gold coin is hidden?

Respond very briefly.
Grandpa will think the gold coin is still in the brown box inside the living room cabinet because that is where he originally hid it, and he is not aware of it being moved. Aunt Mary knows that the coin is no longer in the living room since she moved it to a white box in the kitchen, but she is not aware of any subsequent changes, so she will think the gold coin is in the kitchen. Cousin Steve is aware of both previous locations, and since he moved the coin last, he will believe the gold coin is in the black box in the garage.