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: 'a white bear stuff toy sitting next to a mini chair and book'. Reverse all words of length '1' in the given sentence.
a white bear stuff toy sitting next to a mini chair and book

Sentence: 'a baseball player sliding to a base and another trying to catch a ball'. Reverse all words of length '8' in the given sentence.
a llabesab player sliding to a base and another trying to catch a ball

Sentence: 'an odd looking traffic light with fourteen lights on it'. Reverse all words of length '5' in the given sentence.

an odd looking traffic thgil with fourteen lights on it