Find the name and age of the person who is a friend of Dan or Alice.
return person ;return #1 who  is  friend of  Dan ;return #1 who  is  friend of  Alice ;return #2 or  #3 ;return name of  #4 ;return age of  #4 ;return #5 ,   #6
['select', 'filter', 'filter', 'union', 'project', 'project', 'union']