John, a second-grade student, reads an article on the behaviors of groundhogs and comes across a sentence with an unfamiliar word. While reading, he underlines the word of which he is unable to determine the meaning. The sentence is: 'The groundhog burrows in the winter into an amazing underground home.' Which of the following strategies is best for the teacher to instruct the student on when helping him determine the meaning of the unknown word?

Breaking the word into individual phonemes focuses on the sounds that make up the word rather than its meaning. While phonemic awareness is important for reading development, this strategy does not help John understand the unfamiliar word in context, which is crucial for comprehension.

Drawing scoops under each syllable is a phonetic strategy that emphasizes syllable division. Although this can aid in pronunciation, it does not contribute to understanding the word's meaning within the context of the sentence, which is John’s primary challenge.

Isolating the prefix and suffix can help in understanding some words, particularly those with familiar affixes. However, this strategy may not be applicable for all unfamiliar words and is less effective than using context clues, as it does not always provide necessary insights into the meaning based on the sentence structure.