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 hand reaching out towards a standing giraffe'. Reverse all words of length '7' in the given sentence.
a hand reaching out sdrawot a standing effarig

Sentence: 'a dog is sleeping on a boat in the water'. Reverse all words of length '2' in the given sentence.
a dog si sleeping no a boat ni the water

Sentence: 'a pinto horse walking in a coral with two people'. Reverse all words of length '2' in the given sentence.

a pinto horse walking ni a coral with two people