Choose the sentence that conveys the same meaning as the given sentence.
Milk is the most nourishing food.

The correct answer is option 1 i.e. 'Milk is more nourishing than any other food.'
One of the degrees of comparison is the 'comparative degree' that describes the comparison between more than two persons or things.
Option 1 is such an example of the comparative form of an adjective.
In this case, the comparative adjective of 'most nourishing' is 'more nourishing.'
In the case of converting the sentence, it can also be transformed to a comparative degree.
Option 1 is an example of a superlative to comparative transformation.
A comparative degree can be formed as follows: Subject + Verb + Comparative adjective + Than + Any other + Object.
Milk + is + more nourishing + than + any other + food.
Additionally, a superlative degree can be identified with the verb suffix -est or with the prefix most _____.
A comparative degree can be identified with the suffix -er or prefix more ______ than.