Swimming pools should be fenced to protect children from drowning, but teaching children to swim is even more important. And there is a principle involved here that applies to childrearing generally. Thus, while we should restrict children' s access to the soft drinks and candies advertised on television shows directed towards children, it is even more important to teach them __ Which one of the following most logically completes the passage? ['how to creatively entertain themselves without watching television', 'how to make nutritional choices that are conducive to their well-being', 'that television can be a good source of accurate information about many things', 'the importance of physical activity to health and well-being']