C34 Complete clue

The clue to the wine sage was a lake, the clue to the Carnival was soil, the clue to the Monopoly was grass, while the clue to the Sage of Lust was hidden. What did these clues have to do with each other?

Mu Tu lowered his head, frowned, and thought for a while. No matter how he looked at it, these four words did not seem to be clues that could be linked together.

At this point of time