What type of pronoun the word “Such”is?

Identify the unclear pronoun references in the following paragraph. Where necessary, rewrite the sentences so that all pronoun references become clear:

Teaching is a profession who is full of challenge. I want to be a teacher because you like working with children.

But my father argues that one cannot make much money from it. He wants me to look after their farms instead.

But this does not inspire me much.

It is………………..you know, me who is the person responsible for scheduling meetings in the conference room.

My uncle has three sons ___ work in the same office.

Leap years,......... have 366 days, contain an extra day in February.