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: 'a very small shiny metal cup with some food in it'. Reverse all words of length '4' in the given sentence.
Example Output: a yrev small shiny metal cup htiw emos doof in it

Example Input: Sentence: 'a laptop is sitting on a table with a bottle of coke'. Reverse all words of length '2' in the given sentence.
Example Output: a laptop si sitting no a table with a bottle fo coke

Example Input: Sentence: 'a sink in the middle of a bathroom counter'. Reverse all words of length '1' in the given sentence.
Example Output:
a sink in the middle of a bathroom counter