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: 'small blue and red bird standing on rear of zebra'. Reverse all words of length '8' in the given sentence.
[A]: small blue and red bird gnidnats on rear of zebra


[Q]: Sentence: 'a grey cat with green eyes looking straight ahead'. Reverse all words of length '1' in the given sentence.
[A]: a grey cat with green eyes looking straight ahead


[Q]: Sentence: 'the two zebras are eating the grass in the field'. Reverse all words of length '3' in the given sentence.
[A]:
eht owt zebras era eating eht grass in eht field