GMAT Critical Reasoning (CR) | For a long time, cows have been injected with rBST, an artificial

For a long time, cows have been injected with rBST, an artificial hormone, to increase their yield of milk. Of late, a few companies that do not use rBST have come up in the market, and they are advertising that their milk products are rBST-free and hence superior to other existing products in the market. Such advertisements are clearly misleading since it cannot be determined whether the milk produced by cows injected with the hormone actually contains the hormone.

Which of the following statements
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