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: 'dog looks on outside of a travel bag on the back of a bicycle'. Remove all words of length '6' in the given sentence.
dog looks on outside of a bag on the back of a bicycle

Sentence: 'a dog with a long tail is laying in a chair'. Remove all words of length '2' in the given sentence.
a dog with a long tail laying a chair

Sentence: 'a clock is sitting atop a church tower'. Remove all words of length '4' in the given sentence.

a clock is sitting a church tower