It's difficult to categorize this data.

He is good at categorizing all the information.

My favorite song is Schumann's 'Träumerei'.

She is playing Träumerei on the piano.

He is unsociable, so he doesn't participate in parties much.

He is living a freeloading life.

The coach is leading our team.

Where is holmium located in the periodic table?

By learning the imperfective form, you can understand Japanese grammar more deeply.

I have been to Myanmar.