I think it would be ‘problem and solution’ but i haven’t read the article because it isn’t linked. however ‘problem and solution’ does sound like it would fit best :)
key sentence or transition
Explanation:
a good body paragraph contains three main sections key sentence or transition
hope it help
Love is amor-
Knowledge is cogn-
Water is hydro-
Earth is geo-
Man is anthropo-
Break is rupt- or fract-
Lead is duc- or duct-
Small is micro-
Blood is hemo-
Belief is cred-
Color is chrom-
Hope that helped!