Context: I liked her classes very much and have kept her notes for 10 years now . However , after I returned to Japan from California , I began to notice that Japanese people seemed to feel weird when they heard the fact I had a Vietnamese teacher . So , I stopped talking about her .
Question: Why may the narrator feel distant from her old friends ?
Option 0: She feels the subject of racism due to her Asian affinities .
Option 1: None of the above choices .
Option 2: She feels the subject of discrimination against the Japanese .
Option 3: She feels the subject of discrimination .
Answer: 3