8238
Another possible reason why the Buddha refused to engage in metaphysics is that he saw ultimate reality and nirvana as devoid of sensory mediation and conception and therefore language itself is " a priori " inadequate to explain it .
 person: Buddha
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Buddha