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: 'two birthday cakes one decorated with race cars the other decorated with soccer balls'. Remove all words of length '8' in the given sentence.

SOLUTION: two cakes one decorated with race cars the other decorated with soccer balls

PROBLEM: Sentence: 'a man in vest and bow tie standing over a keyboard'. Remove all words of length '4' in the given sentence.

SOLUTION:
a man in and bow tie standing a keyboard