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 dog laying in the grass chewing a stick'. Remove all words of length '6' in the given sentence.
Example Output: a dog in the grass chewing a stick

Example Input: Sentence: 'a man is crouched down by a big elephant'. Remove all words of length '3' in the given sentence.
Example Output: a is crouched down by a elephant

Example Input: Sentence: 'two women standing by bunches of bananas next to a brick wall'. Remove all words of length '5' in the given sentence.
Example Output:
two standing by bunches of bananas next to a wall