Which director of M2 and M3 was influenced by a film director and influenced by M0 and M1
SELECT DISTINCT ?x0 WHERE {
?x0 ns:film.director.film M2 .
?x0 ns:film.director.film M3 .
?x0 ns:influence.influence_node.influenced_by ?x1 .
?x0 ns:influence.influence_node.influenced_by M0 .
?x0 ns:influence.influence_node.influenced_by M1 .
?x1 a ns:film.director
}