2170
Stewart has said that after two failed marriages , he felt it unrealistic to expect couples to commit to each other for life and suggested that the words " til death do us part " should be removed from the wedding ceremony .
 Stewart, he, couples, each other, us
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: organization, person, geographical social political, vehicle, location, weapon, facility 
Text: {0} 
Answer:
 Stewart, he, couples, each other, us