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 guy in a brown shirt has just hit a tennis ball'. Remove all words of length '3' in the given sentence.

SOLUTION: a in a brown shirt just a tennis ball

PROBLEM: Sentence: 'traffic lights on a street on a building in the street'. Remove all words of length '1' in the given sentence.

SOLUTION: traffic lights on street on building in the street

PROBLEM: Sentence: 'three grown  man standing up in a kitchen'. Remove all words of length '7' in the given sentence.

SOLUTION:
three grown man standing up in a