If the public policy formulation in a certain place is correct and enforced, there will be no large-scale petitions. Large-scale petitions will only occur if the relevant decision-makers do not care about the people. The public policy-making in a certain place is correct, and the relevant decision-makers are also concerned It is the masses who have conducted in-depth investigations and investigations. The local masses are satisfied with this. Based on the above information, which of the following cannot be obtained? ['If there is a large-scale petition in a certain place, the relevant decision-makers in that place do not care about the people.', 'If there is a large-scale petition in a place, the public policy in the place is not enforced effectively.', 'If there is no large-scale petition in a place, the public policy in the place is effectively implemented.', 'If there is no large-scale petition in a place, the public policy of the place is correct.']