A.I. Explanation:

First sentence: Why this is the first line? This paragraph is the first line because it introduces the main topic. It tells us about Big Country Snake Removal and the situation in Albany, Texas. It does not need any other sentence to understand it. This follows the rule of Topic Sentence. Why other lines are not chosen? The other paragraphs are not chosen because they do not stand alone. For example, Paragraph 2 starts with a quote and needs context. Paragraph 3 also starts with a quote and refers back to the first sentence. Paragraph 4 talks about what the company did but does not introduce the situation.

Concluding sentence: Why this is the last line? This paragraph is the last line because it wraps up the story. It tells us what the company did after the man saw the snakes. This follows the Conclusive Words rule, as it gives a final action in the situation.

Paragraph pairs:

• Pair 1 (Paragraph 1 → Paragraph 2): Paragraph 2 connects to Paragraph 1 because it gives more detail about what the man saw. This follows the Broader to Specific Strategy. The first paragraph gives a general idea, and the second paragraph gives a specific detail about the snakes.
• Pair 2 (Paragraph 2 → Paragraph 3): Paragraph 3 connects to Paragraph 2 because it continues the story. It explains what the workers saw when they arrived. This follows the Logical Order rule, as it shows the next step in the situation.
• Pair 3 (Paragraph 3 → Paragraph 4): Paragraph 4 connects to Paragraph 3 because it tells what happened after the workers saw the snakes. This follows the Cause and Effect Relationship rule. The workers saw the snakes, and then the company removed them.