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 people at a table in a room'. Remove all words of length '6' in the given sentence.
Example Output: a group of at a table in a room

Example Input: Sentence: 'a bunch of bananas are shown sitting on a chair'. Remove all words of length '2' in the given sentence.
Example Output: a bunch bananas are shown sitting a chair

Example Input: Sentence: 'a large polar bear on a toy ice pond in a zoo'. Remove all words of length '2' in the given sentence.
Example Output:
a large polar bear a toy ice pond a zoo