This question is related to Animal Farm.
At this point in the story, the hens are refusing to give up their eggs, and they are killed by Napoleon's pigs as a result. This leaves the pigs with ownership of their eggs, and they sell them for profit. This signifies that the animals are no longer equal.
The sentence in which the underlined verb is used correctly in the subjunctive mood is the one that reads "if I were you, I would try out for the lead in the school play".
In the English language, the subjunctive mood is used to talk about conditional or imaginary situations. In this case, it has been used to explore a condition which is contrary to fact, that is, the person speaking is not the addressee. That is why the sentence reads "if i were you". It is a piece of advise.
Some themes you might consider in the play include:
Greed
Power and ambition
What it means to be masculine and feminine
Trying to persuade
Idealism
What it means to be a (good/bad) leader
The importance of omens
The difference between villains and heroes
