The ability of a citizen to sue the City of Ottawa for damages to his$/$her car as the result of an unrepaired pothole at the Bank and Heron intersection is $...$

impossible, as a municipality, as an agent of the Provincial Crown, cannot be legally sued

possible if the action is commenced within three years of the occurrence of the incident

possible if proper written notification to sue is given to the City within $10$ days from the occurrence of the incident and is followed by filing a civil tort claim within the regular limitation period

legally impossible due to the fact that pothole filling has been subcontracted to a private firm making the City immune from liability

Highlight and bold the letter of the correct completion of the sentence above. $(1$ mark$)$