The question below consists of a set of labelled sentences. Out of the four options given, select the most logical order of the sentences to form a coherent paragraph. P: Practical farming includes knowledge of fruit and vegetable farming. Q: These schools need not necessarily have their own farms because the village itself will provide ample field work facilities. R: Agriculture should be made compulsory in higher secondary schools; alternatively, the urban students can be taught town-planning, industrial planning etc. S: Therefore, at this stage, only theoretical education for the village students would suffice.