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: 'two wooden fences sitting next to each other by a  tree'. Remove all words of length '6' in the given sentence.
two sitting next to each other by a tree

Sentence: 'people wait for their cue to cross a busy street'. Remove all words of length '3' in the given sentence.
people wait their to cross a busy street

Sentence: 'a person walking across a cross walk holding an umbrella'. Remove all words of length '7' in the given sentence.

a person across a cross walk an umbrella