What does Mary Warren claim about Sarah Good in court?

Mary Warren claims that Sarah Good is responsible for her own sickness, which is significant because it reflects the hysteria and paranoia that has taken hold in Salem. This accusation highlights Mary Warren's fear and the influence of the other girls in court, as they navigate the treacherous waters of the witch trials. In the context of the play, Mary's assertion serves to bolster her position and protect herself from scrutiny by aligning with the prevailing beliefs of the court and community. This moment illustrates the shifting allegiances and the consequences of the severe climate of fear, showcasing how individuals are willing to betray others to save themselves.