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: 'three brown horses standing in a green field'. Reverse all words of length '5' in the given sentence.
eerht nworb horses standing in a neerg dleif

Sentence: 'there are many animals standing on the top of this mountain'. Reverse all words of length '4' in the given sentence.
there are ynam animals standing on the top of siht mountain

Sentence: 'a close up shot of a young lady with blonde hair'. Reverse all words of length '5' in the given sentence.

a esolc up shot of a gnuoy lady with blonde hair