instruction:
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.
question:
Sentence: 'a person sitting at a desk by an open laptop'. Remove all words of length '4' in the given sentence.
answer:
a person sitting at a by an laptop


question:
Sentence: 'a crowd of people with kites flying overhead'. Remove all words of length '4' in the given sentence.
answer:
a crowd of people kites flying overhead


question:
Sentence: 'two giraffes in a rock enclosure at a zoo'. Remove all words of length '8' in the given sentence.
answer:

two in a rock enclosure at a zoo