There are no witnesses, and it is a nearly impossible task to identify the perpetrators, he said.

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It has, first of all, attracted several of the largest big-name investment groups, a nearly impossible task to achieve for most small biotechs.

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Most teachers have a nearly impossible task, as they are told to deliver a curriculum in the course of a year and somehow manage 20 to 30 children, who are all in different places and have different learning needs at different times.

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That committee faces the nearly impossible task of attributing blame for Thailand's worst political violence in a generation.

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