The reason why the Earth revolves around the Sun is due to centripetal force.

He took a train to Tokyo in the allative case.

He converted to Christianity.

He is considering a career conversion.

Saemon is my best friend, and we always play together.

His name is Tanaka Saeimon.

The problem with his left ventricle is having a serious impact on his health.

Kansei is my best friend.

His left ventricle is functioning normally.

Saizo is my best friend.