In this task, you need to reverse all words of a given length in the sentence. The number of letters in a word determine its length. For example, the length of the word "apple" is 5.

Sentence: 'a crowd of people skiing and enjoying the snow'. Reverse all words of length '4' in the given sentence.
a crowd of people skiing and enjoying the wons

Sentence: 'a man leaning forward as he swings a tennis racket'. Reverse all words of length '2' in the given sentence.
a man leaning forward sa eh swings a tennis racket

Sentence: 'several women standing in a kitchen preparing food'. Reverse all words of length '7' in the given sentence.

lareves women standing in a nehctik preparing food