Five quarters and three points
The first paragraph: the beginning
The second, third and fourth paragraphs: argument demonstration
Paragraph 5: conclusion
Six quarters and three points
Five sections with three points and a transition section make up six sections with three points.
Four-segment dichotomy
The first paragraph: the beginning
The second paragraph: argument argument: argument a.
The third paragraph: argument argument: argument B.
Paragraph 4: End