6121
Together with the basic cases , these allow successive computation of respectively all numbers of combinations from the same set ( a row in Pascal 's triangle ) , of " k " - combinations of sets of growing sizes , and of combinations with a complement of fixed size .
 Pascal
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Pascal