She is the prima donna of that theater company.

His fighting strength is very high.

He is receiving treatment for acromegaly.

The axiom of choice is one of the basic axioms of mathematics.

His country was occupied by the enemy.

He went to Africa for evangelism.

He is known as a trailblazer in that field.

He started writing a song on the staff notation.

He was looking at the sea from the poop deck.

The Shinsengumi were protecting Kyoto during the end of the Edo period.