Passage Summary: Even though people are buying more carrots—which are full of Vitamin A—more people are being diagnosed with a lack of Vitamin A.

Reasoning: Carrots are a top source of vitamin A and demand for them has risen, yet the number of vitamin A deficiency diagnoses has also increased during the same period.

Analysis: This is a 'Paradox' question with an 'EXCEPT' modifier, meaning four choices will explain the mystery and one will not. To resolve the conflict, a piece of information must explain why more carrots don't lead to less deficiency—perhaps people aren't eating the carrots they buy, or perhaps other sources of Vitamin A have been removed from their diets. The correct answer will be the one that either does nothing to explain the trend or perhaps even makes the increase in deficiency more confusing.