Please do not call in the middle of the night.

He continues to hone his calligraphy skills.

Mr. Iriki is my best friend.

Understanding the algorithm of the regression tree is difficult.

A decision tree is a part of machine learning and a model for classifying or regressing data.

This forest tree has been alive for over 100 years.

He goes to the nearby bathhouse almost every day.

We go sea bathing with the family during the summer vacation.

I saw an eagle owl in the park.

He had a hard time last night because of a hangover.