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: 'the city signs direct which way traffic should go'. Remove all words of length '3' in the given sentence.
city signs direct which traffic should go

Sentence: 'a man on a surfboard rides a wave'. Remove all words of length '5' in the given sentence.
a man on a surfboard a wave

Sentence: 'the sun has set and it is getting darker outside'. Remove all words of length '3' in the given sentence.

it is getting darker outside