He is undergoing training for extravehicular activity.

He engaged in an extravehicular activity from the spaceship.

Have you finished this year's big cleaning yet?

I was cleaning all day today.

We are an extended family, and more than 10 of us live together.

My older brother is attending the University of Tokyo.

He was taken to the hospital due to major hemorrhaging.

My great-grandfather used to do farming in the past.

In philosophy, we consider ourselves a part of the macrocosm.

We visited the cathedral and saw its beautiful stained glass.