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 couple of women sitting on a bench with a dog'. Reverse all words of length '4' in the given sentence.
answer:
a couple of women sitting on a bench htiw a dog


question:
Sentence: 'the bathroom has a toilet a window and a sink'. Reverse all words of length '8' in the given sentence.
answer:
the moorhtab has a toilet a window and a sink


question:
Sentence: 'a sheep chasing a cat through a flower and grass covered field'. Reverse all words of length '7' in the given sentence.
answer:

a sheep gnisahc a cat hguorht a flower and grass derevoc field