Islamabad, Madrid, Ottawa, Paris, _____ what should follow logically?

Multan

Torunto

London

None

These are just a few examples of capital cities that could logically follow in the given series

Islamabad is the capital of Pakistan.

Madrid is the capital of Spain.

Ottawa is the capital of Canada.

Paris is the capital of France.

London is the capital of the UK

ND-21-5-2023