A.I. Explanation:

First sentence: Why this is the first line? This paragraph is the first sentence because it introduces the main topic of the meal planning process. It sets the stage for what the reader will learn about meal planning. It does not refer to any previous information, making it independent. Why other lines are not chosen? Paragraph 2 starts with 'Next,' which shows it is not independent. Paragraph 3 starts with 'Once,' which also shows it is not independent. Paragraph 4 starts with 'This list,' which refers back to something not yet mentioned. Paragraph 5 starts with 'Finally,' indicating it is not independent.

Concluding sentence: Why this is the last line? This paragraph is the last sentence because it wraps up the meal planning process. It uses the word 'Finally,' which signals that this is the end of the steps in meal planning.

Paragraph pairs:

• Pair 1 (Paragraph 1 → Paragraph 2): Paragraph 2 logically connects with Paragraph 1 because it uses the connector 'Next.' This shows that it follows the first step of assessing dietary needs with the next step of researching recipes.
• Pair 2 (Paragraph 2 → Paragraph 3): Paragraph 3 connects with Paragraph 2 because it follows the logical order of actions. After researching recipes, the next step is to create a shopping list of ingredients.
• Pair 3 (Paragraph 3 → Paragraph 4): Paragraph 4 connects with Paragraph 3 because it explains the purpose of the shopping list mentioned in Paragraph 3. It shows the logical order of how the list helps with shopping.
• Pair 4 (Paragraph 4 → Paragraph 5): Paragraph 5 connects with Paragraph 4 because it continues the process of meal planning. After shopping, the next step is to allocate meals to specific days.