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 set of of stairs leading into an airplane'. Remove all words of length '8' in the given sentence.
Example Output: a set of of stairs leading into an

Example Input: Sentence: 'the zebra is looking for the tastiest grass'. Remove all words of length '2' in the given sentence.
Example Output: the zebra looking for the tastiest grass

Example Input: Sentence: 'a group of people are sitting around tables and clapping'. Remove all words of length '6' in the given sentence.
Example Output:
a group of are sitting and clapping