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 man and woman standing with luggage in a waiting area'. Reverse all words of length '7' in the given sentence.
a man and woman standing with egaggul in a gnitiaw area

Sentence: 'a group of people stand around a table with a childs birthday cake on it'. Reverse all words of length '6' in the given sentence.

a group of elpoep stand dnuora a table with a sdlihc birthday cake on it