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 man riding skis down a snow covered slope'. Reverse all words of length '5' in the given sentence.
answer:
a man riding skis down a snow covered epols


question:
Sentence: 'several people flying kites on a sandy beach'. Reverse all words of length '7' in the given sentence.
answer:
lareves people flying kites on a sandy beach


question:
Sentence: 'a woman standing on the street is talking on her cell phone'. Reverse all words of length '4' in the given sentence.
answer:

a woman standing on the street is talking on her llec phone