Consider the following information and answer the questions based on it.
The likes and professions of five friends Rosy, Mary, Lily, Andy and Daisy are given.
Rosy likes yellow and is a student.
The librarian likes green.
Mary and Andy like purple and blue respectively and neither of them is a teacher.
Lily likes brown and the inspector likes blue.
One of the five is a principal.
Who is the principal?

Options

A. Blue
B. Brown
C. Purple
D. Green