What screenwriter was influenced by M1 , influenced by a star and executive producer of M3 and M4 , and influenced by M2
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:film.writer .
?x0 ns:influence.influence_node.influenced_by ?x1 .
?x0 ns:influence.influence_node.influenced_by M1 .
?x0 ns:influence.influence_node.influenced_by M2 .
?x1 ns:film.actor.film/ns:film.performance.film M3 .
?x1 ns:film.actor.film/ns:film.performance.film M4 .
?x1 ns:film.producer.films_executive_produced M3 .
?x1 ns:film.producer.films_executive_produced M4
}