What is the mathematical method of handling imprecise or subjective information?

Tian Zhao's parents were peasants from central China. Tian earned a degree in electronics from a university and now works for a medium-sized firm building computer components

Tian has purchased a Canon camera and a Dell computer, and he wears Nike running shoes. He is a member of the mass class. Indicate whether the statement is true or false

The primary types of communication media include:

A) Verbal, nonverbal, and written B) Nonverbal, written, and formal C) Verbal, oral, and body language D) None of the above