Carlyle owns a home in Dartmouth, Massachusetts, where he teaches at the Southern New England School of Law, but he is a resident of South Carolina and is domiciled there. In 2019, Carlyle took the first semester off and stayed in South Carolina until May 1. He was in Dartmouth from May 1 June 15, getting some work done around the house, and returned to South Carolina on June 16. He arrived back in Dartmouth on August 1, where he remained through December 31, except for one week (7 days) when he traveled to New York City for vacation. What is Carlyle's residency status for both South Carolina and Massachusetts?

A resident of South Carolina, a nonresident of Massachusetts.

A part-year resident of South Carolina, a part-year resident of Massachusetts.

A part-year resident of South Carolina, a nonresident of Massachusetts.

A resident of South Carolina, resident of Massachusetts.