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The following five sentences, labeled 1 to 5, relate to a single topic. Four of these sentences can be arranged to form a logical paragraph. Identify the sentence that does not fit with the others and enter its number as your answer.

1. The tragedy of the commons delineates a pervasive socio-economic dilemma where rational individuals, acting independently to maximize their personal utility, ultimately deplete a shared, finite resource to the detriment of the collective.
2. This systemic depletion arises from the disjunction between private gain and public cost, as the benefits of increased resource consumption accrue singularly while the environmental burden is diffused across all commoners.
3. Elinor Ostrom's Nobel-winning work extensively demonstrated that common-pool resource management can succeed through localized, self-organizing institutions, challenging the inevitability implied by Hardin's initial framework.
4. Consequently, without effective mechanisms for exclusion or robust collective action, each participant is incentivized to extract maximum value, presuming their individual impact is negligible or that others will similarly exploit.
5. The cumulative effect of these self-interested decisions inevitably pushes the resource beyond its sustainable yield, leading to ecological degradation and diminished long-term viability for the entire community.

Correct Answer: 3
Identification of the Theme: The core argument centers on defining the inherent mechanism, individual incentives, and detrimental outcomes of the tragedy of the commons, explaining why rational individual actions lead to collective resource depletion.
Logical Sequence of the Coherent Paragraph: 1-2-4-5.
Sentence 1: Introduces and defines the core dilemma of the tragedy of the commons, setting the stage for the discussion.
Sentence 2: Explains the underlying economic incentive structure – the disjunction between private gain and diffused public cost – that drives the tragedy.
Sentence 4: Details the individual rational choice and assumption of negligible impact that results from this incentive structure in the absence of control.
Sentence 5: Concludes by describing the inevitable and negative cumulative ecological and societal consequences of these actions.
Why Sentence 3 is the Odd One Out: While Sentence 3 is related to the broad topic of resource management and the tragedy of the commons, it shifts the focus from describing the inherent problem and its mechanisms to discussing potential solutions and alternative theoretical frameworks. It references Elinor Ostrom's work, which critically examines and offers methods for *overcoming* the tragedy of the commons, rather than elaborating on its foundational dynamics as the other four sentences do.