Regina's commercial property was condemned by the city government to expand a public park. Which date is the beginning of the threat or imminence of condemnation?

May $1,$ Regina notices a survey team from the public parks system in the neighborhood taking measurements and photos.

May $15,$ the city council holds a private meeting to discuss park expansion options.

June $16,$ the city council holds a televised press conference to announce the park expansion plan.

December $4,$ Regina receives a condemnation award and transfers her property.