Matching: Match the Following List of Problems with Expert Testimony

Matching: Match the following list of problems with expert testimony with the most appropriate examples.
-A student writes an essay about the best cure for AIDS by referencing his doctor's comments on the subject from an article the doctor wrote in 1998.

A) Use of experts in the wrong field of expertise.
B) Use of experts who are not recognized as experts.
C) Use of experts who are paid for their testimony.
D) Use of experts who are clearly biased.
E) Experts who do not realistically limit their own expertise.
F) Expert testimony contradicted by equally expert testimony.