"His mind was crowded with memories; memories of the knowledge that had come to them when they closed in on the struggling pig, knowledge that they had outwitted a living thing, imposed their will upon it, taken away its life like a long satisfying drink."
Hale wants John to prove his Christianity, and his loyalty to God. In a chaotic time, driven by the hysteria of witchcraft, Hale and the court want to eliminate those reached out to by the Devil. However, as John has not been to Church for a long period of time, he evidently cannot name all 10, and falls on 'Thou shall not commit Adultery'- ironic, as he broke this very commandment.
Grendel is shown as a monster as he was exultant; highly elated about the presence of the kinsmen he wanted to devour.
Answer:
O "Which Pet Is Right for You?"