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: 'an older woman playing with an interactive gaming unit'. Remove all words of length '5' in the given sentence.
an playing with an interactive gaming unit

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: 'a bottle of cologne with a sheep swimming inside of it'. Remove all words of length '7' in the given sentence.

a bottle of with a sheep swimming inside of it