Alice followed the rabbit because she was curious. She never seen a rabbit wearing clothes or carrying a watch. In Alice in Wonderland, the main character follows a white rabbit down a rabbit hole in the ground. This ultimately leads to her adventures in Wonderland.
it supports the central idea which is the main cause of the authors writing or scripting it also affects it so that the people can get to know more about the particular book and makes us know about the central theme or climax
