Common Error Detection
The Moon may be the best place / to look for aliens as their / footprints on their surface would / last far longer than radio signals.

The Moon may be the best place
footprints on their surface would
to look for aliens as their
last far longer than radio signals

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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.

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

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