In this chemical reaction, the gaseous phase plays an important role.

He held my hand.

The train was crowded, and there was no place to sit.

I can't read his feelings.

I have a feeling that he likes me.

His belief is firm.

His belief was firm, and no one could shake it.

Kyoko is my best friend.

A footrace was held at the school's sports festival.

He continues his journey in pursuit of his utopia.