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 black suitcase with a cat peeking outside of it'. Remove all words of length '4' in the given sentence.
a black suitcase a cat peeking outside of it

Sentence: 'a giraffe in an inclosure at the zoo'. Remove all words of length '1' in the given sentence.
giraffe in an inclosure at the zoo

Sentence: 'a boy smiles while eating with a plastic fork'. Remove all words of length '7' in the given sentence.

a boy smiles while eating with a fork