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: Mahatma Gandhi had a unique way of life.
M: He did not believe in theoretical ideology.
N: His principles were mainly founded in action.
O: So, we must strive to keep them.
P: Many of these principles suit our tradition.
S6: That will be our homage to Gandhiji.