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 cat laying on a desk in front of a computer'. Remove all words of length '1' in the given sentence.
cat laying on desk in front of computer

Sentence: 'a group of young people holding up voting signs along a street'. Remove all words of length '5' in the given sentence.
a of people holding up voting a street

Sentence: 'a big orange bus rolling down a street'. Remove all words of length '7' in the given sentence.

a big orange bus down a street