The atomic weight of helium is 4.

He was angry like a field set ablaze.

For my health, I started reducing the amount of my daily meals.

He decided to decrease the amount of his meals for his health.

This project is proceeding under rigorous supervision.

He believes in the existence of cryptids.

I can't understand the reason for his actions.

Ri is my best friend.

His actions are not reasonable at all.

I was born and raised in Asia.