Which is the extensive physical quantity that is measured by the inertial mass and starts with the letter m?
SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q3386703 . ?sbj wdt:P1880 wd:Q843816 . ?sbj rdfs:label ?sbj_label . FILTER(STRSTARTS(lcase(?sbj_label), 'm')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
extensive quantity: Q3386703 inertial mass: Q843816