Directions: Given below is a sentence containing an underlined idiom. You have to determine whether the idiom is best suited for the sentence or not. If not, choose the correct idiom from the given options that fits the sentence most appropriately.
The controversial new policy became the apple of discord among the members of the committee, leading to heated debates and divisions.
1
a drop in the bucket
2
a piece of cake
3
a storm in a teacup
4
the elephant in the room
5
No change is required