Common Error Detection
Find out whether there is any grammatical error in below sentence.What does Professor Dhavan / spend so many hours / in the laboratory?

No error
in the laboratory?
spend so many hours
What does Professor Dhavan

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Common Error Detection
The website, which does not / accept advertisement and is funded / entirely by donations, describes itself / as the fifth most popular website on the planet.

The website, which does not
entirely by donations, describe itself
as the fifth most popular website on the planet
accept advertisement and is funded

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