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.

[EX Q]: Sentence: 'a clock tower with a weather vein that is lit up'. Reverse all words of length '7' in the given sentence.
[EX A]: a clock tower with a rehtaew vein that is lit up

[EX Q]: Sentence: 'a magazine cover with a surfer carrying a white surfboard'. Reverse all words of length '9' in the given sentence.
[EX A]: a magazine cover with a surfer carrying a white draobfrus

[EX Q]: Sentence: 'the dog lies on the bed as the cat is looking out of the window'. Reverse all words of length '3' in the given sentence.
[EX A]:
eht god lies on eht deb as eht tac is looking tuo of eht window