Based on the details in the the purpose is to inform
#1-“‘An’ have rabbits. Go on, George! Tell about what we’re gonna have in the garden and about the rabbits in the cages…’”
#2 This quote can be found on page 14
#3 The symbol is the rabbits. The rabbits represent Lennies' naïve side.
#4 It is an example of Lennies dreams while in the Great Depression.
The wicked witch would be the answer.
Hope this helps ^^;
The answer is Ad hominem, becuase you are targeting the person, and not the actual character