Read the given details carefully and answer the question given below
A@B means A is the father of B
A#B means A is the mother of B
A+B means A is the son of B
A*B means A is the Daughter of B
In the relation M#N#O+P how is P related to M?1
Grandmother
2
Daughter-in-law
3
Grandfather
4
Son-in-law