Which of these sentences uses correct structure

1. after school, sheila either walks home or is taking a bus.
2. every evening, jenny does her homework and then took her dog for a walk.
3. on the airplane, shane read a book, watched a movie, and was playing his favorite music.
4. before starting college, jake learned how to speak spanish and traveled across south america.

the excerpt from chapter 2 of "animal farm", by george orwell that is an example of foreshadowing is "these three (snowball, napoleon, and squealer) had elaborated old major's teachings into a complete system of thought to which they gave the name of animalism." animal farm is an allegory of how czarist russia developed into communist russia with all its corruption. old major's teachings represent marx's theories turned into communism, animalism, by the three pigs. this foreshadows the oppression and corruption that will follow this revolt.

many battles and wars (such as the one at gettysburg), are commemorated by statues or monuments, with some areas preserved as monuments and national parks. do you think this contradicts the message of "grass"? in at least 200 words, explain your thinking and cite evidence from the poem to support your opinion.