Given below is a statement followed by some conclusions. You have to take the given statement to be true even if it seems to be at variance with the commonly known facts and then decide which of the given conclusions logically follow(s) from the given statement.
Statement: According to a recent health survey, people who exercise for at least half an hour every day are less prone to lifestyle diseases.
Conclusions:
I. Moderate exercise is essential to lead a healthy life.
II. Everyone with no exercise on their routine suffer from lifestyle diseases.

Statement: According to a recent health survey, people who exercise for at least half an hour every day are less prone to lifestyle diseases.
Conclusions:
I. Moderate exercise is essential to lead a healthy life. - Half an hour exercise, i.e moderate exercise will help leading a healthy life.
II. Everyone with no exercise on their routine suffer from lifestyle diseases. - Exercise is not the only means for healthy lifestyle, there are other factors like diet , yoga , which is why it can not be concluded.

So , the answer would be option a)Only conclusion I follows