import tensorflow as tf

                self.ch = tf.placeholder(tf.int32, [None, config.test_para_limit, config.char_limit],"context_char")
                self.qh = tf.placeholder(tf.int32, [None, config.test_ques_limit, config.char_limit],"question_char")
                self.y1 = tf.placeholder(tf.int32, [None, config.test_para_limit],"answer_index1")
                self.y2 = tf.placeholder(tf.int32, [None, config.test_para_limit],"answer_index2")
