In this question there is  a sentence the parts of which have been jumbled. These parts have been labelled P, Q, R and S and are given below each sentence in four sequences namely (a), (b), (c) and (d). You are required to rearrange the jumbled parts of the sentence and mark your response accordingly.

P: and they largely relied on agriculture, fishing and hunting
Q: the people had a subsistence economy
R: from excavation sites indicate that
S: rich materials found

Options