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.

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

[EX Q]: Sentence: 'the three giraffes are standing on the grassland'. Remove all words of length '2' in the given sentence.
[EX A]: the three giraffes are standing the grassland

[EX Q]: Sentence: 'an elephant is standing by a wire fence'. Remove all words of length '4' in the given sentence.
[EX A]:
an elephant is standing by a fence