We went to see a coral reef during summer vacation.

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

We came together at the station.

My birthday is on the fifteenth.

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.