How can syntax help a reader determine the meaning of unknown words in a sentence?

It provides a reader a strategy to determine if any synonyms are provided.
It provides a reader a strategy to determine if any synonyms are provided.

It assists a reader in knowing if examples and illustrations are provided.
It assists a reader in knowing if examples and illustrations are provided.

It helps a reader know the opposite meaning of a word.
It helps a reader know the
opposite meaning of a word.

It allows a reader to determine how the word is being used.

It allows a reader to determine how the word is being used.

It allows a reader to determine how the word is being used.