Definition: In this task, you need to remove 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.
Input: Sentence: 'a burning wood stove has a tea pot sitting on top of it and is full of wood'. Remove all words of length '4' in the given sentence.

a burning stove has a tea pot sitting on top of it and is of