Scotland Yard is the headquarters of the British police in London.

Sufism is a mystical branch of Islam.

His ideology greatly influences his actions.

I am planning to go to Istanbul next week.

Deuterium is one of the isotopes of hydrogen.

He is an excellent troubleshooter, he solved our system's problems quickly.

He is good at playing the euphonium.

My sister is practicing the euphonium.

These glasses are made of polycarbonate.

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