Task: Question Answering
Input (English): Four datasets are used in our work, including CoNLL 2003 German BIBREF9 , CoNLL 2002 Spanish BIBREF10 , OntoNotes 4 BIBREF11 and Weibo NER BIBREF12 .  Table TABREF22 shows the results on Chinese OntoNotes 4.0.  
 Question: Which languages do they work with?
Output (English): German Spanish Chinese