Question: what is the transformation starts with t
Paraphrase: what is the change begins with t
SPARQL (Wikidata): SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q12202238 . ?sbj rdfs:label ?sbj_label . FILTER(STRSTARTS(lcase(?sbj_label), 't')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
Answer: Tseytin transformation, Tseytin transformation, Tschirnhaus transformation, Tschirnhaus transformation