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.

[Q]: Sentence: 'a motorcycle gang riding through the streets with trees'. Reverse all words of length '4' in the given sentence.
[A]: a motorcycle gnag riding through the streets htiw trees


[Q]: Sentence: 'people watching a music concert being performed on a stage'. Reverse all words of length '5' in the given sentence.
[A]: people watching a cisum concert gnieb performed on a egats


[Q]: Sentence: 'a single man standing on the beach holding onto a surfboard'. Reverse all words of length '3' in the given sentence.
[A]:
a single nam standing on eht beach holding onto a surfboard