Select the most appropriate meaning of the underlined idiom.
It is wise to sit on the fence and not become a party to another World War.
1
A person's lack of decisiveness, neutrality or hesitance to choose between two sides in an argument or a competition
2
Overtaking the thing of interest that the other parties are fighting for while they are fighting
3
Defending the no man's land
4
Become a peacemaker between two fighting or competing parties.