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 black cat laying on top of a couch next to a tv remote control'. Reverse all words of length '6' in the given sentence.
a black cat gniyal on top of a couch next to a tv etomer control

Sentence: 'a living room with a couch and chair and tv'. Reverse all words of length '6' in the given sentence.

a gnivil room with a couch and chair and tv