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 motorcycle gang riding through the streets with trees'. Reverse all words of length '4' in the given sentence.
answer:
a motorcycle gnag riding through the streets htiw trees


question:
Sentence: 'two people are holding rackets upright on a tennis court'. Reverse all words of length '7' in the given sentence.
answer:
two people are gnidloh stekcar thgirpu on a tennis court


question:
Sentence: 'the cat is looking for some potential prey'. Reverse all words of length '3' in the given sentence.
answer:

eht tac is looking rof some potential prey