Did M2 employ a spouse of M0 and employ a employee of M1
SELECT count(*) WHERE {
?x0 ns:people.person.spouse_s/ns:people.marriage.spouse|ns:fictional_universe.fictional_character.married_to/ns:fictional_universe.marriage_of_fictional_characters.spouses M0 .
?x1 ns:people.person.employment_history/ns:business.employment_tenure.company M1 .
FILTER ( ?x0 != M0 ) .
M2 ns:business.employer.employees/ns:business.employment_tenure.person ?x0 .
M2 ns:business.employer.employees/ns:business.employment_tenure.person ?x1
}