add(ConversationStates.ATTENDING, "remove",
new PlayerHasStorableEntityCondition(rentedSignList),
ConversationStates.ATTENDING,
"Ok, I am going to remove your sign.",
new RemoveStorableEntityAction(rentedSignList));
add(ConversationStates.ATTENDING, "remove",
new NotCondition(new PlayerHasStorableEntityCondition(rentedSignList)),
ConversationStates.ATTENDING,
"You did not rent any sign, so I cannot remove one.", null);