Assertion (A): The average weight of an urban person has witnesseed an increase over the past few decades. Reason (R1): Food is available in abundance. Reason (R2): Intake of food rich in fats and refined cereals combined with sedentary lifestyle has become a trend.

• If only reason 1 (R1) and not reason 2 (R2) is the reason for the assertion (A).
• If only reason 2 (R2) and not reason 1 (R1) is the reason for the assertion (A).
• If both (R1) and (R2) are reasons for the assertion (A).
• If neither (R1) nor (R2) is the reason for the assertion (A).