Obesity
Classification
Table:
BMI (kg/m2)
Classification[18]

from
up to

18.5
underweight

18.5
25.0
normal weight

25.0
30.0
overweight

30.0
35.0
class I obesity

35.0
40.0
class II obesity

40.0

class III obesity

Reviewing the following table concerning 'Obesity', section 'Classification', draft a brief sentence that explains what the highlighted cells show and return it as JSON: {"answer": "YOUR ANSWER"}.