TASK DEFINITION: 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.
PROBLEM: Sentence: 'a green city bus driving thru a parking area'. Remove all words of length '4' in the given sentence.

SOLUTION: a green bus driving a parking

PROBLEM: Sentence: 'a deep dish pizza sitting on top of a white plate'. Remove all words of length '4' in the given sentence.

SOLUTION: a pizza sitting on top of a white plate

PROBLEM: Sentence: 'a baby elephants stands between two adult elephants'. Remove all words of length '3' in the given sentence.

SOLUTION:
a baby elephants stands between adult elephants