Read the following sentences carefully, examine their modes of r

Read the following sentences carefully, examine their modes of reasoning and comment on whether the reasoning is sound. If not, discuss in pairs how you would improve it.
Exercising relieves stress. Exercising keeps you in shape. Exercising lowers the risk of heart disease. Everyone should exercise at least three times a week to maintain a healthy lifestyle.
【正确答案】:This induction is unsound. Just because exercising can be good to one’s health in so many aspects does not mean that everyone should exercise. Not everyone is in physically fit for all forms of exercise.