OPTION 1 i.e. prudent. Judicious MEANS having, showing, or DONE with good judgement or sense.Let's look at the MEANINGS of the given words-Prudent means acting with or showing care and thought for the future.Dull means lacking interest or excitement.Foolish means lacking good sense or judgement; unwise.Unfair means not based on or behaving ACCORDING to the principles of equality and justice.Clearly, 'prudent' is the correct word.