Task: Question Answering
Input (English): Prior to the SAOKE data set, an annotated data set for OIE tasks with 3,200 sentences in 2 domains was released in BIBREF20 to evaluate OIE algorithms, in which the data set was said BIBREF20 “13 times larger than the previous largest annotated Open IE corpus”. 
 Question: What's the size of the previous largest OpenIE dataset?
Output (English): 3,200 sentences