learning about the cause of a disease has a positive impact on finding a cure for the disease
reading_books has not effect_of_gaining_knowledge learning_disability is disease. writing has not effect_of_learning writing has effect_of_learning growth is illness. learning_disorder is disorder. learning_disability is not disease. reading_books has effect_of_gaining_knowledge positive_outcome_of_undertaking is not success. positive_outcome_of_undertaking is success.