Passage Summary: The author thinks that because sugar and fruit sugar are equally caloric, a candy bar and a piece of fruit with the same amount of sugar must also be equally caloric.

Conclusion: A piece of candy and a piece of fruit will have the same total calorie count if they contain the same amount of their respective sugars.

Reasoning: Refined cane sugar and fructose (fruit sugar) contain the exact same number of calories per gram.

Analysis: The flaw here is a classic case of ignoring other variables. While the sugars themselves might be identical in calories, the argument assumes that sugar is the only source of calories in these foods. It fails to consider that candy often contains fats or oils, while fruit contains fiber and proteins, all of which contribute to the total calorie count. You should look for an answer that identifies this failure to account for other caloric components in the items being compared.