What is the name of the trade association that contains the word "association" in its name?
SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q2178147 . ?sbj wdt:P1454 wd:Q48204 . ?sbj rdfs:label ?sbj_label . FILTER(CONTAINS(lcase(?sbj_label), 'association')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
trade association: Q2178147 voluntary organization: Q48204