question: For what particular reason did protesters criticize the company 's environmental record in the 1990s ?
answer: the possible pollution caused by the proposed disposal of the Brent Spar platform into the North Sea
turker_answer: Protesters criticized the company 's environmental record in the 1990s because of the possible pollution caused by the proposed disposal of the Brent Spar platform into the North Sea .
rule-based: Protesters criticized the company 's environmental record in the 1990s for the possible pollution caused by the proposed disposal of the Brent Spar platform into the North Sea .