What is a defining relative clause?

Provides additional, non-essential information about the noun.

Essential information about the noun, cannot be omitted without changing the meaning.

Always separated by commas.

Gives information about the weather.

Which of the following is a defining relative clause?

The Loch Ness Monster, which is a famous legend, lives in Scotland.

The castle we visited last summer is in Edinburgh.

The bagpipes, played at traditional Scottish events, are a symbol of the country.

The Scottish Highlands, a region known for its rugged beauty, attract many tourists.

Which of the following sentences contains a defining relative clause?

Edinburgh, where the annual Fringe Festival is held, is a cultural hub.

The bagpipes, which are a traditional instrument, are often played at weddings.

In Scotland, there are people who speak many languages.

The Highlands, with their stunning landscapes, are popular among hikers.