Before revision:  We observe that " effective " explanations are not only conducive to game performance (by almost 22\% for "excellent" rated explanations), but also helpful when VQA system answers are erroneous or noisy (by almost 30\% compared to no explanations ).
After revision:  We observe that " effective " explanations are not only conducive to game performance (by almost 22\% for "excellent" rated explanation games), and having at least one "correct" explanation is significantly helpful when VQA system answers are erroneous or noisy (by almost 30\% compared to no explanations ).