Question: Cumbrians Opposed to a Radioactive Environment has campaigned against all aspects of the operation of Sellafield, formally known as which worst nuclear accident in Great Britain's history, ranked in severity at level 5 out of a possible 7 on the International Nuclear Event Scale? 
Sentence (from "Cumbrians Opposed to a Radioactive Environment"): Issues of current interest are radioactive air and sea discharges, resultant environmental contamination, and the health detriment to local communities and wildlife.
Relevant evidence: No