106525
He nevertheless contends that a full scientific understanding will not close the gap , O. The philosophers Ned Block and Robert Stalnaker agree that facts about what a conscious experience is like to the one experiencing it cannot be deduced from knowing all the facts about the underlying physiology , but by contrast argue that such gaps of knowledge are also present in many other cases in nature , such as the distinction between water and HO .
 Ned Block, Robert Stalnaker
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Ned Block, Robert Stalnaker