IN: It was at a British Mathematical Colloquium (Todd attended the Colloquium for each one of its first 25 years) where Todd talked on Mathieu groups, a subject to which he made considerable contributions.
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OUT: it was at a british mathematical colloquium (todd attended the colloquium for each one of its first 25 years) where todd talked on mathieu groups, a subject to which he made considerable contributions.

IN: Unpretentious restaurant in nice surroundings.
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OUT: unpretentious restaurant in nice surroundings.

IN: The explicit tolerancing of engineering drawings means that production, outsourcing and quality control is communicated in an established standard language, which diminishes errors and misunderstandings.
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OUT: the explicit tolerancing of engineering drawings means that production, outsourcing and quality control is communicated in an established standard language, which diminishes errors and misunderstandings.

IN: According to our calculations, the last few days (June 6-7) have had 4% of the ice sheet area melting, so we have not yet reached the threshold in our definition.
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OUT:
according to our calculations, the last few days (june 6-7) have had 4% of the ice sheet area melting, so we have not yet reached the threshold in our definition.