A young girl wearing a flora shirt is sitting in tub in brown water with the remnants of a snake.
A girl is sitting in a tub with part of a snake.
A girl is part of her description of being young girl and sitting with part of snake is rephrase of sitting with remnants of snake.
Young girl is a girl, and part of a snake is remnants of a snake.
A young girl is a girl, and "remnants of a snake" is a rephrasing of "part of a snake".