Choose the most logical order of sentences from among the given choices to construct a coherent paragraph:(a) To curb bio-terrorism is a difficult task. (b) To check these attacks and lessen their impact, we need an impartial team of sincere, strong and dedicated men. (c) The media can play a strong role in stopping this unnecessary spread of panic. (d) Since bio-terrorism is not visible or easily detectable, it can be used often. (e) Men who honour the lives of their fellow countrymen before their own.

Different words form a sentence and convey their meaning only when arranged in a proper order. A Paragraph is formed from sentences, it will convey its true meaning and purpose only when the sentences are arranged in a proper manner.    
In the following questions, some parts of the sentence have been jumbled up. You are required to rearrange these parts which are labelled P, Q, R and S to produce the correct sentence.