I would think it is the first answer "it tells us something about mr.hollybrass that isnt explicitly stated" because indirect characterization can be noticed from appearance,actions,or speech
Answer:
It impacts them on a personal level
She recalls how she used her mother's apothecary books and her father's drawings to find edible plants, and how the woods became her savior. She remembers her first day in the woods by herself, how she hid and outsmarted different predators, and how she discovered the bluish tubers after which she was named, katniss. If she bakes or boils the roots, they are like potatoes. The woods and its plants and animals save Katniss and her family.
B. the b-day contributions
they contributed heavily to B-day