Mr. Kazunaka is my best friend.

Nakaei is my best friend.

My computer is currently under examination.

I go jogging every morning before noon.

He is in the middle of studying for the exam.

Cultural exchange between China and Korea is very important.

Mr. Nakai is my best friend.

We are planning to visit the nature reserve this weekend.

Natural language processing is a technology that allows computers to understand and analyze human language.

He is writing a thesis on abiogenesis.