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 triangular grouping of jet planes flying in the sky'. Reverse all words of length '3' in the given sentence.

SOLUTION: a triangular grouping of tej planes flying in eht yks

PROBLEM: Sentence: 'a person holding a black remote control in their right hand'. Reverse all words of length '5' in the given sentence.

SOLUTION: a person holding a kcalb remote control in rieht thgir hand

PROBLEM: Sentence: 'the bowl on the table is filled with fresh fruit'. Reverse all words of length '2' in the given sentence.

SOLUTION:
the bowl no the table si filled with fresh fruit