In a given statement followed by two assumptions numbered I and II. An assumption is something supposed or taken for granted. You have to consider the statement and the following assumptions and decide which of the assumptions is implicit in the statement, Give answer
1) if only assumption I is implicit
2) if only assumption II is implicit
3) if either I or II is implicit
4) if neither I nor II is implicit
5) if both I and II are implicit
Statement : Let there be a sign board also indicating the directions and instructions.
Assumptions :
I. Signboard can be prepared without using any language.
II. Signboard is the only effective tool to indicate directions.

Explanation

4