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: 'two giraffes standing next to a fence trying to reach the grass'. Reverse all words of length '6' in the given sentence.
answer:
two giraffes standing next to a fence gniyrt to reach the grass


question:
Sentence: 'a passenger train moves along tracks near a field and trees'. Reverse all words of length '1' in the given sentence.
answer:
a passenger train moves along tracks near a field and trees


question:
Sentence: 'a black cat standing on top of a white toilet seat'. Reverse all words of length '1' in the given sentence.
answer:

a black cat standing on top of a white toilet seat


