Complex sentence: Years ago, an arrogant drunk named Gary King and his friends attempted to complete "the Golden Mile", a pub crawl encompassing the 12 pubs of their hometown of Newton Haven, but failed to reach the last pub, The World's End.
Split into simpler sentences: Years ago, an arrogant drunk named Gary King and his friends attempted to complete "the Golden Mile", a pub crawl encompassing the 12 pubs of their hometown of Newton Haven. But they failed to reach the last pub, The World's End.