question: Who influenced M1 , M2 , and M3 , influenced a film producer , and influenced M4 's producer and cinematographer
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 a ns:people.person .
  ?x0 ns:influence.influence_node.influenced ?x1 .
  ?x0 ns:influence.influence_node.influenced ?x2 .
  ?x0 ns:influence.influence_node.influenced M1 .
  ?x0 ns:influence.influence_node.influenced M2 .
  ?x0 ns:influence.influence_node.influenced M3 .
  ?x1 ns:film.cinematographer.film M4 .
  ?x1 ns:film.producer.film|ns:film.production_company.films M4 .
  ?x2 a ns:film.producer
  }