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: 'an image of a group of people sitting in the snow'. Reverse all words of length '6' in the given sentence.
answer:
an image of a group of elpoep sitting in the snow


question:
Sentence: 'a guy on  a surf board by a very big wave'. Reverse all words of length '3' in the given sentence.
answer:
a yug on a surf board by a very gib wave


question:
Sentence: 'a young child is holding her kite and walking down a beach'. Reverse all words of length '2' in the given sentence.
answer:

a young child si holding her kite and walking down a beach