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 fire hydrant sits off a city street'. Remove all words of length '4' in the given sentence.
[A]: a hydrant off a street


[Q]: Sentence: 'a young skier dressed in red awaiting a ski lift'. Remove all words of length '4' in the given sentence.
[A]: a young skier dressed in red awaiting a ski


[Q]: Sentence: 'the train rumbles down the tracks behind a stucco house'. Remove all words of length '7' in the given sentence.
[A]:
the train down the tracks behind a stucco house