Quote:
Premise: People who drink three cups of decaf are more likely to get arthritis than those who drink three cups of regular.
Conclusion: Decaf coffee contains something that damages connective tissue and isn't present in regular coffee.
The problem is that the argument goes to "damage" of tissue, as opposed to "protection" of tissue. (You could also argue causation vs. correlation, but the answers choose not to explore that issue.)
(A) The problem is that it says "beverages,"
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