He is a ruling presence in the class.

This new software is very practical.

His proposal is pragmatic and has a high possibility of being implemented.

This plan is not practical.

Mr. Matsumoto is my best friend.

He is good at tactical thinking.

Fundamental knowledge of mathematics is necessary to solve advanced problems.

This park was completely artificially made.

He solved the problem in a scientific way.

This reaction occurs through a chemical process.