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 giraffe is leaning over and eating some leaves'. Remove all words of length '4' in the given sentence.
Example Output: a giraffe is leaning and eating leaves

Example Input: Sentence: 'two young kids playing baseball in the backyard'. Remove all words of length '8' in the given sentence.
Example Output: two young kids playing in the

Example Input: Sentence: 'to trailer trucks in front a building with white flags on top of it'. Remove all words of length '1' in the given sentence.
Example Output:
to trailer trucks in front building with white flags on top of it