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 stop sign next to houses with christmas lights'. Reverse all words of length '4' in the given sentence.

Answer: a pots ngis txen to houses htiw christmas lights


Question: Sentence: 'a man leans down to take a bite from his sandwich'. Reverse all words of length '5' in the given sentence.

Answer: a man snael down to take a bite from his sandwich


Question: Sentence: 'a walkdont walk traffic light at an intersection along with some other signs'. Reverse all words of length '7' in the given sentence.

Answer:
a walkdont walk ciffart light at an intersection along with some other signs