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 small boy sitting on the grass with a suitcase'. Remove all words of length '4' in the given sentence.
a small boy sitting on the grass a suitcase

Sentence: 'a young man jumping with a skateboard in a park'. Remove all words of length '2' in the given sentence.
a young man jumping with a skateboard a park

Sentence: 'a woman skateboarding on a residential street'. Remove all words of length '5' in the given sentence.

a skateboarding on a residential street