The claim that assisting someone during an epileptic convulsion involves protecting them from injury and keeping their airway clear is a matter of everyday medical consensus and first-aid education, requiring no formal citation.
The claim is a standard first-aid guideline for managing epileptic seizures (ensuring physical safety and airway protection), which constitutes common knowledge in basic medical care and everyday observation. Following STEP 0 instructions for trivial or foundational observational facts, it is classified as COMMON_KNOWLEDGE without attaching empirical study receipts.