I. Government of state 'X' imposed a higher sales tax on petroleum products compared to the neighboring states. II. All the petrol pumps in the state observed 'bandh' in protest.

• If statement I is the cause and statement II is its effect.
• If statement II is the cause and statement I is its effect.
• If both the statements I and II are independent causes.
• If both the statements I and II are effects of independent causes.