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.
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Question: Sentence: 'the skier is doing a flip high in the air near gondala wires'. Reverse all words of length '3' in the given sentence.

Answer: eht skier is doing a flip high in eht ria near gondala wires


Question: Sentence: 'people watching a music concert being performed on a stage'. Reverse all words of length '5' in the given sentence.

Answer: people watching a cisum concert gnieb performed on a egats


Question: Sentence: 'a cow grazes in green grass by the side of the road'. Reverse all words of length '1' in the given sentence.

Answer:
a cow grazes in green grass by the side of the road