Task: Question Answering
Input (English): For French speech technologies, four corpora containing radio and TV broadcast are the most widely used: ESTER1 BIBREF13, ESTER2 BIBREF14, ETAPE BIBREF15 and REPERE BIBREF16. 
 Question: What are four major corpora of French broadcast?
Output (English): ESTER1 ESTER2 ETAPE REPERE