CR: A more than B type question [OG 10, Q 46]

Kale has more nutritional value than spinach. But since collard greens have more nutritional value than lettuce, if 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:
A. Collard greens have more nutritional value than kale
B. Spinach has more nutritional value than lettuce
C. Spinach has more nutritional value than collard greens
D. Spinach and collard greens have the same nutritional value
E. Kale and collard greens have the same nutritional value

Solution:

The above question states that K > S and C > L which leads that K > L

We need to identify the statement which state K < L.

On checking statements

Statement A, C > K and C > L (but it doest not mean that K > L. Therefore Kale may or may not has more nutritional value as compare to lettuce.)
Statement B, S > L and as K > S therefore, K > L
Statement C, S > C and as K > S therefore, K > L
Statement D, S > C and as K > S therefore, K > L
Statement E, K = C and as C > L therefore, K > L

Hence statement (A) is the desired answer.