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.

Sentence: 'a white towel sits in a large stone bathroom'. Remove all words of length '2' in the given sentence.
a white towel sits a large stone bathroom

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

Sentence: 'a white and red fire hydrant on the side of the road'. Remove all words of length '5' in the given sentence.

a and red fire hydrant on the side of the road