Direction: The question below consists of a set of labelled sentences. These sentences, when properly sequenced form a coherent paragraph. Select the most logical order of sentences from among the options.

Sentences::

16. One has to work hard to establish, develop and maintain deep and lasting bonds with those who matter in one’s life.
17. As "Man is not an island entire of itself", he cannot be happy in isolation.
18. Humans live out their life in the company of their family, friends, colleagues, superiors, even total strangers in buses and lifts.
19. And, brick by brick, they must build their relationship with each one, to lay a secure foundation for their road to happiness.

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