A.I. Explanation:

First sentence: Why this is the first line? This paragraph introduces the main idea about literature's influence on our lives. It does not need other sentences for context. It is a general statement that sets the theme for the text. This follows the rule of Topic Sentence. Why other lines are not chosen? Paragraph 2 starts with "Of course," which is a conjunction, so it cannot be independent. Paragraph 3 starts with "But," which is also a conjunction. Paragraph 4 uses "A literary movement," which is specific and assumes prior knowledge. Paragraph 5 starts with "This body of literary works," which refers back to something not yet introduced.

Concluding sentence: Why this is the last line? This paragraph summarizes the main ideas about how literary works are categorized. It wraps up the discussion about literature and its movements. This follows the rule of Summary Style.

Paragraph pairs:

• Pair 1 (Paragraph 1 → Paragraph 2): Paragraph 2 uses the word "Of course" to show that it continues the thought from Paragraph 1. This is a Connector strategy. It shows that understanding literature is difficult, which relates to its influence.
• Pair 2 (Paragraph 2 → Paragraph 3): Paragraph 3 starts with "But," which shows a contrast to the difficulty mentioned in Paragraph 2. This is a Contrast strategy. It suggests that there is a way to understand literature better.
• Pair 3 (Paragraph 3 → Paragraph 4): Paragraph 4 explains what a literary movement is, following the idea from Paragraph 3. This is a Broader to Specific strategy. It gives details about the general idea of breaking down literature.
• Pair 4 (Paragraph 4 → Paragraph 5): Paragraph 5 continues to explain how literary works are grouped. This is a Logical Order strategy. It provides more details about the topic introduced in Paragraph 4.