Task: Explanation
Input (English): "Tim McGraw" is the debut single and first published song recorded by American singer-songwriter Taylor Swift. The song was written by Swift and Liz Rose, and produced by Nathan Chapman. It was released on June 19, 2006 by Big Machine Records as Swift's debut single and the lead single from Swift's eponymous debut album. Swift wrote "Tim McGraw" during her freshman year of high school, knowing that she and her senior boyfriend would break up at the end of the year when he left for college. The song was written about all the different things that would remind the subject of Swift and their time spent together, once he departed. "Tim McGraw" is a musical interconnection of traditional and modern country music. Lyrically, the track lists items in order to associate a past relationship, one of them being country artist Tim McGraw's music. Question: The Taylor Swift song, "Tim McGraw," which charted within the top forty in the United States was written about all the different things that would remind Swift's whom of Swift and their time spent together, once he departed? Answer: her senior boyfriend
Output (English):  The song was written about all the different things that would remind the subject of Swift and their time spent together, once he departed.