Complex sentence: The plot focuses on Woody, Buzz Lightyear, and their friends accidentally being donated to a daycare as Andy prepares to leave for college, and trying to get out and get back home before Andy leaves.
Split into simpler sentences: The plot focuses on Woody, Buzz Lightyear and their friends accidentally being donated to a daycare center as Andy prepares to leave for college. Once there, the toys must get out and get back home before Andy leaves.