Najděte dokumenty v MongoDB, jejichž pole pole je podmnožinou pole dotazů

V MongoDb pro pole pole:

"$in:[...]" means "intersection" or "any element in",
"$all:[...]" means "subset" or "contain",
"$elemMatch:{...}" means "any element match"
"$not:{$elemMatch:{$nin:[...]}}" means "superset" or "in"