He ran to third base.

He entered the forest with a shotgun.

I have been involved in the planning of a new project.

We are actively participating in this project.

I learned about the reaction of nitrous acid in chemistry class.

He is studying the concept of the 'three talents' in ancient China.

What will you make for supper tonight?

My friend, Santiago, is from Chile.

My brother is a Sambo player.

I like to take a walk in the park.