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 group of cows standing near a barbed wire fence'. Remove all words of length '1' in the given sentence.
Example Output: group of cows standing near barbed wire fence

Example Input: Sentence: 'fire burning in a fireplace in a bright living room'. Remove all words of length '6' in the given sentence.
Example Output: fire burning in a fireplace in a room

Example Input: Sentence: 'a group of people walking on a beach with surf boards'. Remove all words of length '4' in the given sentence.
Example Output:
a group of people walking on a beach boards