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: 'a man sanding in a room next to a clock wearing a tie'. Remove all words of length '3' in the given sentence.

Answer: a sanding in a room next to a clock wearing a


Question: Sentence: 'a dog on a leash attached to a wooden bench'. Remove all words of length '6' in the given sentence.

Answer:
a dog on a leash attached to a bench