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 woman walks a horse wearing a blanket'. Reverse all words of length '7' in the given sentence.
a woman walks a horse gniraew a teknalb

Sentence: 'a salt and pepper shaker near a plate with food'. Reverse all words of length '3' in the given sentence.
a salt dna pepper shaker near a plate with food

Sentence: 'a photo in an airport showing a backpack and a cell phone'. Reverse all words of length '8' in the given sentence.

a photo in an airport showing a kcapkcab and a cell phone