Task: Named Entity Recognition
Input (English):  Although DRA1 * 0101 / DRB1 * 0401 and DRA1 * 0101 / DRB1 * 0404 are structurally very similar , nonoverlapping VP16 epitopes were identified , illustrating high selectivity of individual allele polymorphisms within common MHC variants .
Output (English): VP16 epitopes