His cause of death was a heart attack.

This festival is held every year.

The police conducted an autopsy to confirm the cause of death.

The police conducted an autopsy to confirm the cause of death.

I have confirmed your reservation.

I will confirm your reservation.

He went to the police station and reported the theft.

The coroner is thoroughly investigating the cause of death.

Could you tell me your reservation date for reaffirmation?

I reaffirmed the plan with him.