This plan is impossible.

He stroked the cat's back.

My friend came from Burkina Faso.

His registered home is in Osaka.

He obtained a copy of his family register at the city hall.

He got married and entered a new family register.

His foot got entangled in the rope.

This town is very peaceful and easy to live in.

This town has been peaceful for a long time, and it's easy to live in.

Real analysis is a branch of mathematics that studies the properties of real numbers and the functions on them.