instruction:
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 cat has is sticking its head in the toilet'. Reverse all words of length '8' in the given sentence.
answer:
a cat has is gnikcits its head in the toilet

question:
Sentence: 'a gentleman and child in a vintage picture with a horse'. Reverse all words of length '4' in the given sentence.
answer:
a gentleman and child in a vintage picture htiw a horse

question:
Sentence: 'a toilet and a sink in small bathroom'. Reverse all words of length '2' in the given sentence.
answer:
a toilet and a sink ni small bathroom