In this section, each item consists of six sentences. The first and sixth sentences are marked as S1 and S6. The four sentences between S1 and S6 have been jumbled up and labelled as P, Q, R and S. This is followed by four options, each suggesting a sequence of sentences. Identify the most appropriate option and mark your response on the Answer Sheet accordingly.
S1: Egypt lies in the north-east comer of Africa.
S6: The whole country depends on the water pf the Nile.
P: Most of it is desert or semi-desert.
Q: It has very little rainfall.
R: It i four times as big as Great Britain in size.
S: Only a twenty-fifth of the total area is cultivable.