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 man walking down a street while talking on a cell phone'. Remove all words of length '3' in the given sentence.

SOLUTION: a walking down a street while talking on a cell phone

PROBLEM: Sentence: 'a cat is laying inside of a plastic bowl'. Remove all words of length '7' in the given sentence.

SOLUTION: a cat is laying inside of a bowl

PROBLEM: Sentence: 'a person that is on her cell phone'. Remove all words of length '4' in the given sentence.

SOLUTION:
a person is on her phone