Critical Reasoning – Implicit Assumptions Statement (Advertisement claim): “Use PVC pipes, which have 10 years longer life than any other.” Assumptions: I. People prefer only those pipes which are durable. II. Other pipes are not durable.

Introduction / Context:
Advertising often highlights a comparative advantage—in this case, longevity of PVC pipes. We must examine which strong statements about consumer preference and competitors are required for the ad’s persuasive force.

Given Data / Assumptions:

• Claim: PVC lasts 10 years longer than “any other.”
• Assumption I: Consumers prefer only durable pipes (excludes all other factors).
• Assumption II: Other pipes lack durability.

Concept / Approach:
The ad needs durability to matter, but not to the exclusion of all other buying factors (price, availability, brand, installation). It also does not need competitors to be “not durable,” only “less durable than PVC.”

Step-by-Step Solution:

Verification / Alternative check:

Why Other Options Are Wrong:

Common Pitfalls:

Final Answer:
Neither I nor II is implicit