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 person that is skateboarding on a ramp'. Reverse all words of length '13' in the given sentence.
a person that is gnidraobetaks on a ramp

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: 'the child in the blue sweatshirt is eating a donut'. Reverse all words of length '5' in the given sentence.

the dlihc in the blue sweatshirt is eating a tunod