Here a statement is followed by three assumptions no. I, II and III are given. You have to decide which of the assumption(s) contained in the statement/s and choose your answer accordingly, considering the statement and the subsequent assumptions.

Statement:

This book has been designed in such a way that even an ordinary person can study science in the absence of a teacher.

Assumption:

I. The desire of an ordinary person is to study science without a teacher.

II. A teacher may not always be available to teach science.

III. Ordinarily an ordinary person himself experiences difficulty in studying science.