Who was a British cinematographer whose employer employed a cinematographer and editor of M4 and employed M3
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:film.cinematographer .
?x0 a ns:people.person .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company ?x1 .
?x0 ns:people.person.nationality ns:m.07ssc .
?x1 ns:business.employer.employees/ns:business.employment_tenure.person ?x2 .
?x1 ns:business.employer.employees/ns:business.employment_tenure.person M3 .
?x2 ns:film.cinematographer.film M4 .
?x2 ns:film.editor.film M4
}