The steam from the coffee is rising.

This steam is a phenomenon where water turns into water vapor due to high temperatures.

It's high temperature today, it's hard to go out.

His attitude suddenly changed.

This phenomenon remains unexplained for scientists.

On cold days, cold water is especially delicious.

He showed a change of technique in sumo.

He is conducting research on natural phenomena.

He is writing a thesis on phenomenology.

Phenomenology is a branch of philosophy that focuses on the study of human experience and consciousness.