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 black youth rides his skateboard over a footbridge'. Remove all words of length '4' in the given sentence.

SOLUTION: a black youth rides his skateboard a footbridge

PROBLEM: Sentence: 'a castleesque building and its barren surroundings caked with snow'. Remove all words of length '12' in the given sentence.

SOLUTION: a castleesque building and its barren caked with snow

PROBLEM: Sentence: 'a couple of men play a game on the wii'. Remove all words of length '1' in the given sentence.

SOLUTION:
couple of men play game on the wii