Kale has more nutritional value than spinach. But since collard greens have more nutritional value than lettuce, it follows that kale has more nutritional value than lettuce.

Any of the following, if introduced into the argument as an additional premise, makes the argument above logically correct EXCEPT:


Collard greens have more nutritional value than kale.

Spinach has more nutritional value than lettuce.

Spinach has more nutritional value than collard greens.

Spinach and collard greens have the same nutritional value.

Kale and collard greens have the same nutritional value.

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