Task: Question Answering
Input (English): The regressor and classifier used Support Vector Regression (SVR) and Support Vector Classification (SVC) respectively. The bottom section of Table TABREF26 shows the results of several variants of the neural architecture. The table includes a neural regressor (NNR) and a neural classifier (NNC).  
 Question: What approaches without reinforcement learning have been tried?
Output (English): classification, regression, neural methods