It is important for each person to fulfill their role.

He has a very passive personality.

He and I are related by blood.

There is a complex love triangle between them.

The police only informed the authorized persons about the information related to the incident.

There are many interests involved in this project.

This is the book that I am reading.

His claim does not match the actual relationship.

They built a deep emotional bond before they had a physical relationship.

His success had a cause-and-effect relationship with his efforts.