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: '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: 'two giraffes in a rock enclosure at a zoo'. Remove all words of length '8' in the given sentence.
two in a rock enclosure at a zoo

Sentence: 'two black cats sitting in a window ledge'. Remove all words of length '7' in the given sentence.

two black cats in a window ledge