This could be false. We know the government’s position is contradictory, but we don’t know which of its claims are true. It could be that the plants are safe and the government is incorrect to claim that unlimited liability poses a threat to the nuclear industry.

This must be true. It cannot both be true that there is no potential for nuclear accidents and unlimited liability poses a threat to the nuclear industry.

This could be false. We know the government’s position is contradictory, but we don’t know which of its claims are true. It could be that the government wants to protect the industry from bankruptcy and it instead misrepresented how safe the nuclear power plants actually are.

This could be false. The government claims that unlimited financial liability is a threat to the financial security of the nuclear industry. We don’t know for sure whether this claim is correct or not, only that the government made this claim.

This could be false. The stimulus does not suggest that nuclear accidents do not threaten physical health or safety—it says that the government claims nuclear accidents won’t happen in the first place.