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 boy looks excitedly at his birthday cake with his friend'. Remove all words of length '9' in the given sentence.
a boy looks at his birthday cake with his friend

Sentence: 'a traffic light above a street with no traffic'. Remove all words of length '1' in the given sentence.
traffic light above street with no traffic

Sentence: 'the two horses near the fence have very thick coats'. Remove all words of length '6' in the given sentence.

the two near the fence have very thick coats