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 tennis player is swinging at a tennis ball'. Reverse all words of length '2' in the given sentence.
answer:
a tennis player si swinging ta a tennis ball


question:
Sentence: 'a pizza that has jalapenos on one side and olives on the other'. Reverse all words of length '3' in the given sentence.
answer:
a pizza that sah jalapenos on eno side dna olives on eht other


question:
Sentence: 'a person sitting on a wooden bench by some trees'. Reverse all words of length '4' in the given sentence.
answer:

a person sitting on a wooden bench by emos trees