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 child with a helmet is on skis'. Remove all words of length '2' in the given sentence.
a small child with a helmet skis

Sentence: 'a giraffe is leaning over and eating some leaves'. Remove all words of length '4' in the given sentence.
a giraffe is leaning and eating leaves

Sentence: 'dirty dishes in and around the sink'. Remove all words of length '2' in the given sentence.

dirty dishes and around the sink