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.

Sentence: 'the large crowd came to watch the baseball game'. Reverse all words of length '3' in the given sentence.
eht large crowd came to watch eht baseball game

Sentence: 'a bathroom with two doors and both of them are ajar'. Reverse all words of length '4' in the given sentence.
a bathroom htiw two doors and htob of meht are raja

Sentence: 'a person in heavily wooded area with an umbrella'. Reverse all words of length '6' in the given sentence.

a nosrep in heavily dedoow area with an umbrella