Which lines in this excerpt from the poem "a grain of sand" by frances ellen watkins harper indicates its subject?

Ihave to find 4 errors in each day of the week diary post. friday today was the last day of the school week so i are happy! mum made pizza to dinner. i really like mums pizzas. we watched a dvd after dinner. it was quite funny but my brother fall asleep on the sofa and didn’t see the end of the movie!

Subject: save the whales! dear professor crest, i know you are really busy and everything, but i was hoping that you could spend more time thinking about how to save the whales. it’s up to us to speak up on their behalf. it’s really wrong that some amusement parks use these poor, defenseless animals for recreational purposes. this must be stopped, and you’re the person to do it! ttyl, jules which revisions would make this e-mail more formal? check all that apply. a. removing the contractions b. removing the exclamation points c. removing the salutation d. removing the slang and casual speech e. removing the information about amusement parks

What is the the story about in the movie freedom writers be very detailed.