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 person that is skateboarding on a ramp'. Reverse all words of length '13' in the given sentence.

Answer: a person that is gnidraobetaks on a ramp


Question: Sentence: 'a pair of boats are beside each other in the water'. Reverse all words of length '6' in the given sentence.

Answer: a pair of boats are ediseb each other in the water


Question: Sentence: 'antique black and white photograph of a steam train at a rural station'. Reverse all words of length '2' in the given sentence.

Answer:
antique black and white photograph fo a steam train ta a rural station