In each question below are given some statements followed by some conclusions. You have to take the given statements to be true even if they seem to be at variance with commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follows from the given statements, disregarding commonly known facts.

Statement:

Only father is brother.

Some father is mother.

Some mother is son.

Conclusions:

I. Some son is father

II. No son is father.