our method still can improve the state-of-the-art accuracy BIBREF7 from 60.32% to 60.34% Although we only have 57% of testing questions can benefit from the basic questions, our method still can improve the state-of-the-art accuracy BIBREF7 from 60.32% to 60.34%,  
 Question: What accuracy do they approach with their proposed method?
our method still can improve the state-of-the-art accuracy BIBREF7 from 60.32% to 60.34%