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Difficulty: EasyRole in Argument

Museum conservator: Recent chemical analysis reveals that the varnish applied to seventeenth-century oil paintings gradually darkens over time, obscuring the artist's original color palette. Some critics advocate removing this aged varnish entirely from all displayed works. However, completely stripping the varnish risks permanently damaging the fragile pigment layers beneath. Therefore, conservators should clean only the outermost dirt from the varnish surface rather than removing the varnish entirely.

Which of the following best describes the role played in the museum conservator's argument by the claim that completely stripping the varnish risks permanently damaging the fragile pigment layers beneath?

  1. A
    It is the overall conclusion that the argument is structured to establish.
  2. B
    It is a viewpoint that the conservator introduces in order to refute.
  3. It is a premise offered to support the argument's main recommendation.Answer
  4. D
    It is an intermediate conclusion drawn directly from the finding that varnish darkens over time.
  5. E
    It is contextual background information that explains why critics favor stripping the varnish.

Answer

It is a premise offered to support the argument's main recommendation.
The claim that stripping the varnish risks permanently damaging the fragile pigment layers serves as factual evidence explaining why conservators ought to refrain from complete removal and instead perform surface cleaning. It directly supports the final prescriptive conclusion without receiving support from any prior statement, making it a basic premise.

Step-by-Step Solution

1
Identify the main conclusion and the structural components of the stimulus.
The main conclusion is the recommendation: 'Therefore, conservators should clean only the outermost dirt from the varnish surface rather than removing the varnish entirely.'
Locating the final claim and its indicator words clarifies the overall direction of the argument.
2
Analyze how the targeted statement relates logically to the main conclusion.
The statement about the risk of permanent pigment damage explains why the critics' approach should be rejected in favor of the conservator's proposed action.
Evaluating whether the statement is supported by other claims or serves as support for another claim determines its functional role.
3
Match the identified relationship to the accurate functional description.
Because the statement is an unsupported factual assertion providing direct rational support for the recommendation, it acts as a premise.
Distinguishing basic premises from intermediate and final conclusions ensures accurate role identification.

Key Concept

Identifying the functional role of a premise supporting a prescriptive conclusion
Estimated Time:45s
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Role in Argument

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