Which of the following sentences reveals systematic organizational development ?

(i) All the activities engaged in by employees are directed towards building, maintaining health of organization as a total system.

(ii) Organizational effectiveness is enhanced by attending to both human and organizational needs.

(iii) It is a planned intervention to increase organization effectiveness and health.

(iv) A set of objects together with relationships between the objects and between their attributes.  

Select the correct answer from the options given below :