I ate one apple.

Ichii is my best friend.

He is solely devoted to his work.

I kept talking with him for over an hour.

Pyramid schemes are prohibited by law.

This two-dimensional array represents students in each row and subjects in each column.

2.5D stage is a new form of entertainment where real actors play anime characters.

I learned the basics of conformational analysis in chemistry class.

He is spending a lot of time on experimental research.

The space complexity of this algorithm is O(n).