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 woman helping a man tie his windsor knot tie'. Remove all words of length '5' in the given sentence.
a helping a man tie his windsor knot tie

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

Sentence: 'a woman sitting on a bench at the beach'. Remove all words of length '5' in the given sentence.

a sitting on a at the