Which HyperText Markup Language series W3C recommendation comprises of  the letters html5 in its name?
SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:/instance of/ wd:/W3C Recommendation/ . ?sbj wdt:/part of the series/ wd:/HyperText Markup Language/ . ?sbj rdfs:label ?sbj_label . FILTER(CONTAINS(lcase(?sbj_label), 'html5')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 