Identify the correct country–capital mapping: “Austria : Vienna” is to which of the following as country : capital is to country : capital?

Introduction / Context:
Standard GK analogy: country → capital. We need an option that is correctly paired like Austria → Vienna.

Given Data / Assumptions:
Capitals: Egypt → Cairo; Pakistan → Islamabad (not Lahore); USA → Washington, D.C.; Germany → Berlin; Canada → Ottawa; Sydney is in Australia, not Canada.

Concept / Approach:
Check factual correctness for each pair. Only “Egypt : Cairo” is correct among the choices provided.

Step-by-Step Solution:

Verification / Alternative check:
Basic world capitals lists confirm Cairo is Egypt’s capital.

Why Other Options Are Wrong:
They list non-capital cities or wrong countries.

Common Pitfalls:
Picking Lahore/Orlando/London/Sydney due to familiarity.

Final Answer:
Egypt : Cairo