Final answer:
This question does not pertain to any specific academic subject and is more appropriate for a casual discussion or personal opinion.
Step-by-step explanation:
This question falls under the category of personal preference rather than any specific subject in the curriculum. It involves a hypothetical scenario in which a person must choose between two options: either 20 butterflies appearing whenever they cough or 100 butterflies dying somewhere in the world whenever they cough.
Given that this question does not pertain to any specific academic subject, it is more appropriate for a casual discussion or a personal opinion rather than being addressed as part of a school assignment.