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: 'a black and white cow grazing in a field of green grass'. Remove all words of length '1' in the given sentence.
Example Output: black and white cow grazing in field of green grass

Example Input: Sentence: 'a group of people who are hiking up a snowy mountain'. Remove all words of length '5' in the given sentence.
Example Output: a of people who are hiking up a mountain

Example Input: Sentence: 'a kitchen showing microwave sink and refrigerator'. Remove all words of length '9' in the given sentence.
Example Output:
a kitchen showing sink and refrigerator