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: 'four pizzas sitting on a counter in a kitchen'. Remove all words of length '4' in the given sentence.

SOLUTION: pizzas sitting on a counter in a kitchen

PROBLEM: Sentence: 'a red and white jet on a runway and brown grass'. Remove all words of length '6' in the given sentence.

SOLUTION: a red and white jet on a and brown grass

PROBLEM: Sentence: 'a silver airplane that has been parked in a hangar'. Remove all words of length '4' in the given sentence.

SOLUTION:
a silver airplane has parked in a hangar