It's good to ask permission before using someone's property.
Shane's neighbors will be out of town when he has his 21st birthday party.
Shane wants to make his party a pool party.
Shane asks his neighbors to use the pool before they leave.
Shane invites his guests over to his neighbors pool without asking.
His neighbors allow the party and give him a birthday gift.
His neighbors see the party happening on remote security footage and call the cops on Shane.