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.

Example Input: Sentence: 'man riding a skateboard at the top of a ramp while others watch'. Reverse all words of length '6' in the given sentence.
Example Output: man gnidir a skateboard at the top of a ramp while srehto watch

Example Input: Sentence: 'people flying kites at the beach on an overcast day'. Reverse all words of length '6' in the given sentence.
Example Output: elpoep gniylf kites at the beach on an overcast day

Example Input: Sentence: 'a dirty commercial kitchen with a bowl on the counter'. Reverse all words of length '4' in the given sentence.
Example Output:
a dirty commercial kitchen htiw a lwob on the counter