Each of the following items in this section consists of a sentence, chunks of which have been jumbled up. These chunks have been labelled as P, Q, R and S. Each sentence is followed by four sequences, namely (a), (b), (c) and (d) indicating the rearrangement of the chunks. You are required to select the most appropriate option. P - the Aravalli hill ranges Q - of the Yamuna river and R - are spread out over the natural landscapes S - the biodiversity parks