What did a person that M1 and M2 were influenced by and M3 and M4 influenced direct
SELECT DISTINCT ?x0 WHERE {
?x0 ns:film.film.directed_by ?x1 .
?x1 a ns:people.person .
?x1 ns:influence.influence_node.influenced M1 .
?x1 ns:influence.influence_node.influenced M2 .
?x1 ns:influence.influence_node.influenced_by M3 .
?x1 ns:influence.influence_node.influenced_by M4
}