muliple answers need clearity

Which of the following is a gift for gift tax purposes? A) Transfer of $14,500 from Kevin to his fathers bank account to pay his fathers unreimbursed medical expenses B) $2,000 contribution to a national politicl campaign fund C) Transfer of $14,500 to a Coverdell ESA from John, age 30 to his brother Jerry age 22 D) $6,200 payment to State University for tuition on behalf of a grandchild