Question

Samantha is giving a speech on binge drinking. she uses supporting material that says, a binge drinker is a man who drinks five or more drinks in one sitting or a woman who drinks four or more. this type of supporting material is

Answer 1

This type of supporting material is a definition.
A definition is an explanation of what something is or represents or stands for - so in this case, the definition of a binge drinker is a person who drinks a certain amount of drinks in one sitting.
An analogy would be a comparison to something else, an illustration is self-explanatory, and an opinion is a personal feeling about something.