question: Which employee of M0 , M1 , and M2 did a character influence
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ns:influence.influence_node.influenced_by ?x1 .
  ?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M0 .
  ?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M1 .
  ?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M2 .
  ?x1 a ns:fictional_universe.fictional_character
  }