Oskar tries to prove he can learn to read by memorizing the beginning of "A Tale of Two Cities." He brings attention not only to the beautiful juxtaposition of the prose but also the fact that he memorized the excerpt instead of learning how to read.
Meemaw gets Sheldon a new video game as a present, and Sheldon expresses that he's uninterested. Meemaw says she'll play by herself, and Sheldon out the juxtaposition that an old person (Meemaw) is using new technology.
Danny's squad learns of Danny's interest in poetry then urges him to share with them a sample of his writing. Danny incorporates juxtapositon and rhyming in his poem, which is about an airman forseeing his death.