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: 'there is a bathroom with a oven and a refg'. Reverse all words of length '2' in the given sentence.
answer:
there si a bathroom with a oven and a refg


question:
Sentence: 'a cat is playing with the bottom part of the umbrella'. Reverse all words of length '3' in the given sentence.
answer:
a tac is playing with eht bottom part of eht umbrella


question:
Sentence: 'a lone zebra grazing in a big grassy field'. Reverse all words of length '7' in the given sentence.
answer:

a lone zebra gnizarg in a big grassy field