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: 'dog looks on outside of a travel bag on the back of a bicycle'. Remove all words of length '6' in the given sentence.

Answer: dog looks on outside of a bag on the back of a bicycle


Question: Sentence: 'a store ful of baskets is over flowing'. Remove all words of length '2' in the given sentence.

Answer:
a store ful baskets over flowing