He is an expert in probability theory.

Einstein's theory of relativity is one of the important theories in physics.

A DD debate is unfolding between him and her.

He is writing a thesis on the yellow peril.

His idea is pure armchair theory and cannot be applied to real-world problems.

Christology is a part of Christian theology that studies the nature and role of Jesus Christ.

We are in a marriage with an age gap, but our love is deep.

When he had a problem due to his own actions, he remembered the phrase 'chickens come home to roost'.

Mr. Hiruma is my best friend.

Well, let's get started!