What character that M2 , M3 , M4 , and M5 influenced and M6 and M7 influenced did M1 employ
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:fictional_universe.fictional_character .
?x0 ns:influence.influence_node.influenced_by M2 .
?x0 ns:influence.influence_node.influenced_by M3 .
?x0 ns:influence.influence_node.influenced_by M4 .
?x0 ns:influence.influence_node.influenced_by M5 .
?x0 ns:influence.influence_node.influenced_by M6 .
?x0 ns:influence.influence_node.influenced_by M7 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M1
}