What was founded by M0 and M1 , founded by M2 and M3 , and founded by a Canadian person
SELECT DISTINCT ?x0 WHERE {
?x0 ns:organization.organization.founders ?x1 .
?x0 ns:organization.organization.founders M0 .
?x0 ns:organization.organization.founders M1 .
?x0 ns:organization.organization.founders M2 .
?x0 ns:organization.organization.founders M3 .
?x1 a ns:people.person .
?x1 ns:people.person.nationality ns:m.0d060g
}