Name a disease that spreads through contact and starts with letter S
SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q12136 . ?sbj wdt:P1060 wd:Q15304512 . ?sbj rdfs:label ?sbj_label . FILTER(STRSTARTS(lcase(?sbj_label), 's')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
disease: Q12136 contact transmission: Q15304512