This problem belongs to the division of mathematics.

This sentence is hard to read because it doesn't have any punctuation marks.

She opened her mouth wide in surprise.

He shook his head in response to the question.

I found a large sawtooth oak tree in the park.

Fish of the Isurus genus can swim fast.

He stood up to put on his new belt.

In medieval Europe, decapitation was a common method of execution.

He fell into a deep sleep and made a loud snoring sound.

This cake has a strong flavor of bitter almond.