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.
--------
Question: Sentence: 'a tennis player is holding a tennis racket with the crowd in the background'. Reverse all words of length '3' in the given sentence.

Answer: a tennis player is holding a tennis racket with eht crowd in eht background


Question: Sentence: 'a dog lays next to a bag on a couch'. Reverse all words of length '4' in the given sentence.

Answer: a dog syal txen to a bag on a couch


Question: Sentence: 'a young woman with two cell phones at a wooden table'. Reverse all words of length '5' in the given sentence.

Answer:
a gnuoy namow with two cell phones at a wooden elbat