question: Was M1 a company whose founder and employee influenced and was influenced by M0
query: SELECT count(*) WHERE {
  ?x0 ns:influence.influence_node.influenced M0 .
  ?x0 ns:influence.influence_node.influenced_by M0 .
  M1 a ns:business.employer .
  M1 ns:business.employer.employees/ns:business.employment_tenure.person ?x0 .
  M1 ns:organization.organization.founders ?x0
  }