Before revision:  This method is evaluated on our proposed dataset including 2,783 pairs of multiple-choice questions and answers based on a set of 417 Vietnamese texts used for teaching reading comprehension for 1st to 5th graders.
After revision:  This method is evaluated on our proposed dataset including 2,783 pairs of multiple-choice questions and answers . The texts are commonly used for teaching reading comprehension for 1st to 5th graders.