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: 'several giraffe on a dirt surface surrounded by vegetation'. Remove all words of length '2' in the given sentence.
Example Output: several giraffe a dirt surface surrounded vegetation

Example Input: Sentence: 'business signs hanging over sidewalk in city area'. Remove all words of length '4' in the given sentence.
Example Output: business signs hanging sidewalk in

Example Input: Sentence: 'the young girl is boarding the bus to school'. Remove all words of length '2' in the given sentence.
Example Output:
the young girl boarding the bus school