Did M0 influence M1 , influence M2 , and marry M3
SELECT count(*) WHERE {
FILTER ( M0 != M3 ) .
M0 ns:influence.influence_node.influenced M1 .
M0 ns:influence.influence_node.influenced M2 .
M0 ns:people.person.spouse_s/ns:people.marriage.spouse|ns:fictional_universe.fictional_character.married_to/ns:fictional_universe.marriage_of_fictional_characters.spouses M3
}