Coral reefs play a very important role in the marine ecosystem.

My birthday is on the fifteenth.

He caused confusion due to misinformation.

He ended up spreading misinformation.

I saw an osprey flying high in the sky.

He is in charge of bodyguarding a famous singer.

He was chosen to guard the president.

He can speak Portuguese fluently.

He can speak Turkmen.

This sentence contains many words written in katakana.