Susie's mom bought her SOMETHING at the grocery store.
Vague nouns are unspecific things that don't tell you exactly what something is!
More examples of vague nouns: something, things, stuff, etc.
I believe the answer is D. Lack of Parallel Structure.
Humor is subjective, so for some people a statement like that could be considered as such. Going by that, if we are looking at this statement as a joke then it would be classified as humor with some racist undertones, but it really depends on the context. That aside, I would say it’s racist because it can be used to generalize Asians in a hurtful way.