Definition: You are given a question on college medicine. You are also given 4 answer options (associated with "A", "B", "C", "D"), out of which only one is correct. You need to answer the question by selecting the correct option. You should only answer with the choice letter, not the whole answer.
Input: In a fit of passion, the spectator of a political debate exclaims that “welfare recipients are all lazy.” The spectator’s thought process is an example of:
(A)prejudice (B)discrimination (C)ethnocentrism (D)conflict theory

A