Final answer:
The excerpts presented are from literary works and involve analyzing characters, themes, and plot, which are elements of English literature studies, often covered in high school.
Step-by-step explanation:
The dialogues presented in the question are clearly excerpts taken from various literary works and represent the style of dramatic or narrative literature. This type of question falls under the subject of English, specifically in the area of literature analysis, which is a common topic in high school curricula. The passages showcase dialogues between characters that offer insights into their relationships, emotions, and the social dynamics of the settings they are in. Analysis of such excerpts would typically involve discussing the themes, character development, and plot implications. The passages also reflect the importance of context, as each set of lines could be interpreted differently depending on the surrounding text and the reader's understanding of the entire work.