It is kind to share your insight with your neighbors.
Phil is chatting with his neighbor when he notices a fast growing and intrusive weed on his neighbor's lawn.
Phil wants to choose a topic to chat about.
Phil mentions the weed and that is should be removed immediately.
Phil mentions the recent sports game and not the weed.
Phil's neighbor will have their weed problem taken care of.
Phil's neighbor will have a large weed infestation in their lawn.