A.I. Explanation:

First sentence: Why this is the first line? This paragraph is the first sentence because it introduces Alan Bennett and gives important information about his birth. It is a clear topic sentence that sets the stage for the rest of the text. It does not need any other sentence for context. Why other lines are not chosen? Paragraph 2 starts with 'He', which is a pronoun and needs context. Paragraph 3 starts with 'Alan Bennett is', which also needs context. Paragraph 4 starts with 'His', which is another pronoun. Paragraph 5 starts with 'Alan Bennett is', needing context too.

Concluding sentence: Why this is the last line? This paragraph is the last sentence because it wraps up the information about Alan Bennett. It gives a final thought about his age and current work, which concludes the text.

Paragraph pairs:

• Pair 1 (Paragraph 1 → Paragraph 2): Paragraph 2 connects to Paragraph 1 because it continues to talk about Alan Bennett. It uses the connector 'He' to refer back to Alan Bennett. This shows a clear flow of ideas.
• Pair 2 (Paragraph 2 → Paragraph 3): Paragraph 3 connects to Paragraph 2 because it gives more specific information about Alan Bennett's work. It follows the Broader to Specific Strategy, moving from a general statement about him to specific plays.
• Pair 3 (Paragraph 3 → Paragraph 4): Paragraph 4 connects to Paragraph 3 because it talks about the plays mentioned in the previous paragraph. It shows a logical order by explaining what happened to those plays.
• Pair 4 (Paragraph 4 → Paragraph 5): Paragraph 5 connects to Paragraph 4 because it shifts the focus back to Alan Bennett. It shows the current status of Alan Bennett after discussing his plays.