He is interested in ancient alchemy.

He conducted a series of experiments.

Pyramid schemes are prohibited by law.

The ecosystem of this lake heavily depends on a specific food chain.

The food chain of this forest is very complex.

A coalition government is a form of government where multiple political parties cooperate to form an organization.

He worked for five consecutive days.

Our company was able to succeed in a big project by federating with other small companies.

I plan to go on a trip next week because it's a long weekend.

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