question: What cinematographer that M1 employed did a writer and director of M2 , M3 , M4 , and M5 marry
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 a ns:film.cinematographer .
  ?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M1 .
  ?x0 ns:people.person.spouse_s/ns:people.marriage.spouse|ns:fictional_universe.fictional_character.married_to/ns:fictional_universe.marriage_of_fictional_characters.spouses ?x1 .
  ?x1 ns:film.director.film M2 .
  ?x1 ns:film.director.film M3 .
  ?x1 ns:film.director.film M4 .
  ?x1 ns:film.director.film M5 .
  ?x1 ns:film.writer.film M2 .
  ?x1 ns:film.writer.film M3 .
  ?x1 ns:film.writer.film M4 .
  ?x1 ns:film.writer.film M5 .
  FILTER ( ?x0 != ?x1 )
  }