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: 'a person sitting at a desk by an open laptop'. Remove all words of length '4' in the given sentence.
[EX A]: a person sitting at a by an laptop

[EX Q]: Sentence: 'a young skier dressed in red awaiting a ski lift'. Remove all words of length '4' in the given sentence.
[EX A]: a young skier dressed in red awaiting a ski

[EX Q]: Sentence: 'a couple of giraffes are standing in a grassy field'. Remove all words of length '2' in the given sentence.
[EX A]:
a couple giraffes are standing a grassy field