Black fertilizer turns grey, grey fertilizer turns black. Black fertilizer turning grey will volatilize; grey fertilizer volatilizing will turn black. Black fertilizer volatilizing and turning grey will cause flowers to fly; grey fertilizer volatilizing and turning black will cause flying flowers. Black-grey fertilizer volatilizing will turn grey-black, which is considered as flying flowers; grey-black fertilizer volatilizing will turn black-grey, which is considered as flying flowers. Black-grey fertilizer ash volatilizing will turn grey-black, which is considered as black-grey flowers flying; grey-black fertilizer will volatilize and turn black-grey, which is considered as flying flowers turning into ash. Blackened black-grey fertilizer ash volatilizing will turn grey-black, which is considered as black-grey flowers flying back; greyified grey-black fertilizer will volatilize and turn black-grey, which is considered as flying flowers turning back into ash.