Task: Named Entity Recognition
Input (English):  The primary cellular response in the draining lymph node The primary cellular response in the draining PLN was determined five days after a single injection of HBSS ( open columns ) , 10 mug OVA ( gray ) , 40 mug PSP ( hatched ) or 10 mug OVA + 40 mug PSP ( black ) into both hind footpads of BALB / cA , NIH and C3H / HeN mice .
Output (English): cellular