Who was influenced by a character employed by M3 and M4 and employed by M5 and influenced by M1
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:people.person .
?x0 ns:influence.influence_node.influenced_by ?x1 .
?x0 ns:influence.influence_node.influenced_by M1 .
?x1 a ns:fictional_universe.fictional_character .
?x1 ns:people.person.employment_history/ns:business.employment_tenure.company M3 .
?x1 ns:people.person.employment_history/ns:business.employment_tenure.company M4 .
?x1 ns:people.person.employment_history/ns:business.employment_tenure.company M5
}