In this question a statement is given which is followed by two assumptions numbered I and II. You have to consider the statement and the following assumptions and decide which of the assumption (s) is/are implicit in the statement.

Statement: "You must learn to refer to dictionary if you want to become a good writer."-A advises B.

Assumptions:

I. Only writers refer to the dictionary.

II. All writers, good or bad, refer to the dictionary.

If neither I nor II is implicit.

It does not follow from the statement that only writers and nobody else refers to the dictionary. Also, nothing is mentioned about bad writers. So, neither I nor II is implicit.