Concept:The idiom 'Sit on the fence' means to avoid taking a side, remaining neutral in a dispute or decision.
Explanation:Imagine someone sitting on a fence, not getting down on either side.
This represents a person who refuses to support or oppose either party in an argument.
For example, a politician might sit on the fence to avoid upsetting any voters.
The phrase does not mean taking a risk, remaining silent, or joining both sides.
Its exact meaning is to stay neutral and undecided.
Answer:Option 3 – Stay neutral