My mobility dog helps me live my daily life.

This text is written in full-width characters.

The absolutive case is a grammatical case that can represent both the subject and the object.

He made a sentence using the accusative case.

The opposite angles of a quadrangle intersect each other.

This triangle has two acute angles.

He used his knowledge as an instrumental case to solve the problem.

This triangle has one obtuse angle.

My grandfather is skilled in raising domestic fowls.

The farmer was harvesting rice in the paddy field.