‘S’ will be the first part of the given sequence as it contains the remarks of the doctor in the given statement, that is, ‘it will be bad for the eyes’. ‘Q’ will come next as it begins with the word, ‘if’ which marks the beginning of a condition. ‘R’ and ‘S’ will follow ‘Q’ logically as they together complete the condition brought up in ‘Q’. So, SQRP become the right sequence of words. Hence, option (c) is correct