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 man stands in front of one of three toilets'. Remove all words of length '1' in the given sentence.
man stands in front of one of three toilets

Sentence: 'lion gargoyle statute in front of clock tower'. Remove all words of length '4' in the given sentence.
gargoyle statute in front of clock tower

Sentence: 'a piece of cake sitting on top of a plate on caramel sauce'. Remove all words of length '2' in the given sentence.

a piece cake sitting top a plate caramel sauce