Number 4 is the correct answer because unhealthy food is the best and not always healthy food has a good taste
You should observe and pay attention to the way they talk, behave when they are alone, and when they are in somebody's company. Observe what they do, what they like and dislike. Just like figuring out a real person - you should think the character is a real person, and consider how you would figure out somebody in your own life, who is not fictional.
Can you give the possible answers (a,b,c,etc.)
She is a punishing, angry tyrant; he is compassionate and good. Joe is extremely important in that he is Pip's ultimate father figure to whom Pip returns at the novel's end. Mrs. Joe provides the practical means for Joe to become this father figure, since he is her husband and she is Pip's mother figure.