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.

Q: Sentence: 'a green city bus driving thru a parking area'. Remove all words of length '4' in the given sentence.

A: a green bus driving a parking
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Q: Sentence: 'purple and blue flowers in a small basket'. Remove all words of length '4' in the given sentence.

A: purple and flowers in a small basket
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Q: Sentence: 'a small wooden sailboat sits in an alpine field'. Remove all words of length '6' in the given sentence.

A:
a small sailboat sits in an field
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