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 man on a skateboard performing a trick'. Reverse all words of length '10' in the given sentence.

Answer: a man on a draobetaks gnimrofrep a trick


Question: Sentence: 'a large flock of birds fly through the sky'. Reverse all words of length '3' in the given sentence.

Answer: a large flock of birds ylf through eht yks


Question: Sentence: 'two young boys are preparing for a play at a ball game'. Reverse all words of length '4' in the given sentence.

Answer:
two young syob are preparing for a yalp at a llab emag