The main theme here is: being loyal to one's country may mean being disloyal to an individual.
Brutus was loyal to Caesar but he was more loyal to Rome.
Answer:
He examines the possibility of various animals on the island and decides that there is no beast.
Explanation:
Piggy attempts to solve the identity of the beast pragmatically. He mentions that "life is scientific" and concludes that the only thing the boys should possibly fear is each other. Piggy is intelligent and continues to solve problems logically. He examines the possibility of various animals on the island and decides that there is no beast.
I'm fairly certain that it's an abstract noun. My apologies if that is not correct.