TASK DEFINITION: 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.
PROBLEM: Sentence: 'a man standing next to a parked car under a street sign'. Reverse all words of length '6' in the given sentence.

SOLUTION: a man standing next to a dekrap car under a teerts sign

PROBLEM: Sentence: 'a line of buses waiting to take passengers where they need to go'. Reverse all words of length '2' in the given sentence.

SOLUTION: a line fo buses waiting ot take passengers where they need ot og

PROBLEM: Sentence: 'a horse that is standing in the grass'. Reverse all words of length '1' in the given sentence.

SOLUTION:
a horse that is standing in the grass