This shape is called a bicone.

This bicone shape is mathematically very interesting.

He was imprisoned as a political prisoner for political reasons.

This project is a total war for us.

It seemed that Sou understood everything.

He was reading a book under the mulberry tree.

The bird is making a nest in the tree.

He fought using a spear.

He fled from the police.

He was appointed as the chief of the school.