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.

[EX Q]: Sentence: 'a white and black toilet sits in a bathroom'. Remove all words of length '4' in the given sentence.
[EX A]: a white and black toilet in a bathroom

[EX Q]: Sentence: 'a man holding a skate board between legs'. Remove all words of length '3' in the given sentence.
[EX A]: a holding a skate board between legs

[EX Q]: Sentence: 'a couple of animals standing on the side of a river'. Remove all words of length '3' in the given sentence.
[EX A]:
a couple of animals standing on side of a river