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.

Example Input: Sentence: 'two baseball players with long hair and beards are posing with a smile'. Reverse all words of length '1' in the given sentence.
Example Output: two baseball players with long hair and beards are posing with a smile

Example Input: Sentence: 'a kid with yellow t shirt is ready to through something up'. Reverse all words of length '3' in the given sentence.
Example Output: a dik with yellow t shirt is ready to through something up

Example Input: Sentence: 'several people listening to a bearded man play the guitar'. Reverse all words of length '7' in the given sentence.
Example Output:
lareves people listening to a dedraeb man play the guitar