The authors claim in the passage is that sugar is different from honey. The authors primary purpose in the passage is that sugar is not as good as honey. The author uses interesting diction to get his point across about what he thinks of sugar and honey when in comparison.
An example of context is the words that surround the word "read" that help the reader determine the tense of the word. An example of context is the history surrounding the story of Shakespeare's King Henry IV.