Which sentence, if added, would make the best revision of the conclusion? "Where is the main trail?" I asked while searching the map. After surviving those miserable hours in the desert, I learned the value of being prepared. My friends invited me to go for a hike, and although it was a hot summer day, I agreed to go, because I had nothing else to do. "Be sure to drink some water," Tara reminded us.

London includes a quote about john thornton as he is observing hal attempt to motivate the exhausted dogs "it was idle, he knew, to get between a fool and his folly". if the word "idle" is defined as "of no real worth, importance, or significance", what does this statement mean with regard to hal? who is the fool? what is hal's folly? why would john thornton think it of no real worth or useless to intervene?