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 surfer jumps into the water in a canal'. Remove all words of length '2' in the given sentence.
Example Output: a surfer jumps into the water a canal

Example Input: Sentence: 'two older men are playing with a frisbee at the park'. Remove all words of length '4' in the given sentence.
Example Output: two older men are playing a frisbee at the

Example Input: Sentence: 'a fire truck sitting on the side of the road'. Remove all words of length '1' in the given sentence.
Example Output:
fire truck sitting on the side of the road