How does katniss explain the use of the berries during the interview?

During the interview, Katniss explains the use of the poisonous berries, known as nightlock, as a dramatic act of defiance against the Capitol. She reveals that she and Peeta nearly consumed the berries to avoid being forced to kill each other, symbolizing their rebellion against the oppressive system. This moment not only showcases her resourcefulness and determination but also serves to highlight the lengths to which she and Peeta will go to assert their autonomy in a brutal environment.