The first and last sentences, S1 and S6, of a paragraph are given. Four other sentences, M, N, O, and P, are given which are not in their proper order. Identify the correct order of the sentences.
S1: Planning in India is a difficult problem.
M: So, planners cannot decide the size of the plan.
N: The gap between what people want and what can be done is big.
O: Moreover, resources are limited.
P: Due to hurdles in planning, development is often delayed.
S6: But without planning, no nation can
progress.