The police arrived at the scene of the incident.

The polis of ancient Greece was an independent city-state.

He is an excellent analyst who accurately analyzes market trends.

This project involves a great risk.

The terrorist attacked the station.

I am planning to go to Lisbon next week.

A rational number is represented as an integer or a fraction.

I think that investment is too risky.

He is a famous journalist, writing many important articles.

He is an Olympic medalist.