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 black and white image of a wall with a stop sign on it'. Reverse all words of length '5' in the given sentence.
a kcalb and etihw egami of a wall with a stop sign on it

Sentence: 'a blue colored sign with a white arrow'. Reverse all words of length '1' in the given sentence.
a blue colored sign with a white arrow

Sentence: 'a baseball player pitching a ball on a baseball field'. Reverse all words of length '4' in the given sentence.

a baseball player pitching a llab on a baseball field

