Relative Pronoun

Anjali doesn't know the person ------------------ I was talking about yesterday.

How can you identify the matters ----------------- give you more troubles.

Martin, -------------------- son was affected by blood cancer, had applied for a medical loan.

Mohan, ----------------------- brother is a politician, is my colleague in my office.

Do you want to meet Mr. Sheron -------------- post is going to be vacated?

The computer, ------------------- I brought from France, was burgled last nigh.

Ramani, ------------------ is active and health conscious has been admitted in hospital due to corona positive.

Have you read the letter ------------------ contained a lot of typos.

The teachers and Principals, ----------------------- salary was not adjusted, are on strike.

The youtubers, --------------------- accounts were suddenly declined, reported to Google Company.