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: 'a street performer copying a woman on her phone'. Reverse all words of length '7' in the given sentence.
answer:
a street performer gniypoc a woman on her phone


question:
Sentence: 'the stems of flowers are in a glass of water'. Reverse all words of length '1' in the given sentence.
answer:

the stems of flowers are in a glass of water