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 snowboarder descending a snowpacked slope on a wintry day'. Reverse all words of length '2' in the given sentence.
answer:
a snowboarder descending a snowpacked slope no a wintry day


question:
Sentence: 'a group of people riding in a black raft'. Reverse all words of length '1' in the given sentence.
answer:
a group of people riding in a black raft


question:
Sentence: 'a close up of a dogs rear end walking on a beach'. Reverse all words of length '7' in the given sentence.
answer:

a close up of a dogs rear end gniklaw on a beach