By Foreign Contents of $L$, $\patchof{M} = \bot$ as well.
So by Foreign Contents for any $A \in \{L,M,R\}$,
$\forall_{\p, D \in \py} D \not\le A$
By Foreign Contents of $L$, $\patchof{M} = \bot$ as well.
So by Foreign Contents for any $A \in \{L,M,R\}$,
$\forall_{\p, D \in \py} D \not\le A$