Section - Digging
Understand "dig ground/--" or "dig in the/-- ground" as vaguely petter-digging when the location is a petter-room. Vaguely petter-digging is an action applying to nothing.
Carry out vaguely petter-digging:
say "There is nothing to dig in here."
Understand "dig in/-- [something]" as petter-digging when the location is a petter-room. Petter-digging is an action applying to one thing.
Carry out petter-digging:
say "Try as you might, you can't dig [the noun]."