Final answer:
In the asked story, the complicating incident, signaling the start of the central conflict, is the event where 'Samara identifies the plot on Cedar Avenue as a possible park location'
Step-by-step explanation:
In this context, the event most likely to represent the story's complicating incident is 'Samara identifies the plot on Cedar Avenue as a possible park location'. This event introduces the main conflict or the problem of the story, setting the stage for the developments that follow, including the challenges Samara will likely face in trying to turn her idea into reality. The other events described do contribute to the overall narrative but they seem to be part of the rising actions and character development rather than the complicating incident that introduces the main conflict.
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