Ming and her sister who is home from college for spring break organized a bake sale to benefit the victims of the fire. Which version of the sentence has correctly placed commas?

Ming and her sister who is home from college, for spring break, organized a bake sale to benefit the victims of the fire.
Ming, and her sister, who is home from college for spring break organized a bake sale to benefit the victims of the fire.
Ming and her sister, who is home from college for spring break, organized a bake sale to benefit the victims of the fire.
Ming and her sister who is home from college for spring break, organized a bake sale, to benefit the victims of the fire. .