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 mix of vegetables in a pot with a spoon'. Reverse all words of length '4' in the given sentence.

SOLUTION: a mix of vegetables in a pot htiw a spoon

PROBLEM: Sentence: 'a girl is holding a trophy and a tennis racket'. Reverse all words of length '4' in the given sentence.

SOLUTION: a lrig is holding a trophy and a tennis racket

PROBLEM: Sentence: 'a bird flying over a rural dirt road surrounded by trees'. Reverse all words of length '6' in the given sentence.

SOLUTION:
a bird gniylf over a rural dirt road surrounded by trees