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.
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Question: Sentence: 'a bird perched on a wood rail by itself'. Remove all words of length '7' in the given sentence.

Answer: a bird on a wood rail by itself


Question: Sentence: 'half a dozen donuts from krispy kreme of various different flavors'. Remove all words of length '2' in the given sentence.

Answer: half a dozen donuts from krispy kreme various different flavors


Question: Sentence: 'it looks like those people are serving at a buffet of a conference'. Remove all words of length '5' in the given sentence.

Answer:
it like people are serving at a buffet of a conference


