My parents want to give me about $30,000. For my business. Should they write 2 checks to me as a gift for 14,000 or a loan to the business for 30000. How do i get this tax free

My parents want to give me about $30,000. For my business. Should they write 2 checks to me as a gift for 14,000 or a loan to the business for 30000. How do i get this tax free