The Magno-Blanket is probably able to relieve arthritic pain in older dogs. A hospital study of people suffering from severe joint pain found that 76 percent of those who were treated with magnets reported reduced pain after just 3 weeks. Dogs and humans have similar physiologies and the Magno-Blanket brings magnets into the same proximity to the dog' s joints as they were to patients' joints in the hospital study. Which one of the following, if true, most strengthens the argument? ['The Magno-Blanket is likely to be effective on cats and other pets as well if it is effective at reducing joint pain in arthritic dogs.', 'The patients in the hospital study suffering from severe joint pain who, after being treated with magnets, did not report reduced pain tended not to be those suffering from the most severe pain.', 'Most of the patients in the hospital study suffering from severe joint pain who received a placebo rather than treatment with magnets did not report reduced pain.', "Magnets have been shown to be capable of intensifying the transmission of messages from people's nerve cells to their brains."]