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


[Q]: Sentence: 'a mountain towers over a train going down the tracks'. Remove all words of length '4' in the given sentence.
[A]: a mountain towers a train going the tracks


[Q]: Sentence: 'the coolers are full of soda and milk'. Remove all words of length '7' in the given sentence.
[A]:
the are full of soda and milk