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 wood bench is sitting near a pole'. Remove all words of length '7' in the given sentence.
a wood bench is near a pole

Sentence: 'there are three men standing together by a pole in the street'. Remove all words of length '8' in the given sentence.
there are three men by a pole in the street

Sentence: 'even big giraffes love to have their necks scratched'. Remove all words of length '9' in the given sentence.

even big giraffes love to have their necks