20.
In a certain code language,
A + B means βA is the son of Bβ,
A β B means βA is the wife of Bβ,
A Γ B means βA is the brother of Bβ and
A Γ· B means βA is the mother of Bβ.
Based on the above, how is T related to P if βP β M + R Γ· T Γ Sβ?