67092
At the end of the day , he was surprised to view a delayed video of the launch of Soyuz 9 as it had not occurred to Armstrong that the mission was taking place , even though Valentina Tereshkova had been his host and her husband , Andriyan Nikolayev , was on board .
 Armstrong, Valentina Tereshkova, Andriyan Nikolayev
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Armstrong, Valentina Tereshkova, Andriyan Nikolayev