What are the food additive which start with the letter wax
SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q189567 . ?sbj rdfs:label ?sbj_label . FILTER(CONTAINS(lcase(?sbj_label), 'wax')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
food additive: Q189567