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: 'the city bus has a feature film ad on the side of it'. Reverse all words of length '4' in the given sentence.
the ytic bus has a feature mlif ad on the edis of it

Sentence: 'pineapple and hot dog skewers are shown as appetizers'. Reverse all words of length '9' in the given sentence.
elppaenip and hot dog skewers are shown as appetizers

Sentence: 'a park bench overlooking a lake and forest'. Reverse all words of length '3' in the given sentence.

a park bench overlooking a lake dna forest