Select the word-pair that best represents a similar relationship to the one expressed in the given pair of words.

(The words must be considered as meaningful English words and must not be related to each other based on the number of letters/number of consonants/vowels in the word)

Rice : Carbohydrates

Cottage cheese : Protein

Rice : Carbohydrates

The logic followed here is :

Rice is the rich source of carbohydrates

Similarly

Cottage cheese : Protein

Cottage cheese is the rich source of Protein