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 snowy hill with a tree lined area'. Reverse all words of length '4' in the given sentence.
a snowy llih htiw a eert lined aera

Sentence: 'three people are sitting in the room playing video games'. Reverse all words of length '2' in the given sentence.
three people are sitting ni the room playing video games

Sentence: 'man in a full suit standing on a surfboard on water'. Reverse all words of length '1' in the given sentence.

man in a full suit standing on a surfboard on water