Who was a screenwriter that was influenced by M3 , was influenced by M4 , and influenced M2
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:film.writer .
?x0 a ns:people.person .
?x0 ns:influence.influence_node.influenced M2 .
?x0 ns:influence.influence_node.influenced_by M3 .
?x0 ns:influence.influence_node.influenced_by M4
}