His business ended in failure.

You can receive a completion bonus when the project is completed.

He achieved great success in that project.

He and I are related by blood.

There is a complex love triangle between them.

This is the book that I am reading.

His claim does not match the actual relationship.

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

There are many interests involved in this project.

It's difficult to understand the context of this sentence.