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 guy sitting on his butt flying a kite'. Remove all words of length '4' in the given sentence.
a guy sitting on his flying a

Sentence: 'a couple is cutting a cake at a wedding reception'. Remove all words of length '7' in the given sentence.

a couple is a cake at a reception