Meaning: Red apples are the most sweet of all the other colored apples.
Choice of Words: Sweetest is a superlative adjective that means most sweet. Apples are a type of fruit, and red is a color.
Alternative Expressions
Red apples have the most sweetness.
Meaning: This sentence is slightly different from the other two. It tells us that the apples with the color red have the most sweetness. It means they taste the best out of all the other apples.
Choice of Words:Red refers to the color of the apples. Apples are the fruit we are talking about. Have is a verb that tells us something about the apples. The is an article that makes the sentence more specific. Most is an adjective that means the greatest amount. Sweetness is a noun that describes the taste of the apples.