One of twenty-five in this clue

The clue ‘One of twenty-five in this clue is LETTER‘ is a cryptic way of saying that one letter in every 25th word in the sentence is significant. To solve this clue, you need to count every 25th word in the given text and then identify the significant letter in each of those words. For example, if the sentence is “The quick brown fox jumps over the lazy dog“, every 25th word would be “dog“, and the significant letter would be “g“. So, the answer to this crossword question would be “g“.