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.

Example Input: Sentence: 'an empty side by side stainless steel refrigerator sits ajar'. Remove all words of length '4' in the given sentence.
Example Output: an empty by stainless steel refrigerator

Example Input: Sentence: 'a green city bus driving thru a parking area'. Remove all words of length '4' in the given sentence.
Example Output: a green bus driving a parking

Example Input: Sentence: 'a blurry photo of someone standing on a boat in the distance'. Remove all words of length '5' in the given sentence.
Example Output:
a blurry of someone standing on a boat in the distance