——They serve the purpose of changing hydrogen into breathable oxygen, and they’re as necessary here as the air is, on Earth.
——But I still say……they’re flowers.
——If you like.
——Do you sell them?
——I’m afraid not.
——But, maybe we could make a deal.
——What do you mean?
——Oh, you see, you won’t have to send them anywhere. I’ll pay for them, and then, I’ll leave them here, for you.