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: 'half a dozen donuts from krispy kreme of various different flavors'. Remove all words of length '2' in the given sentence.

SOLUTION: half a dozen donuts from krispy kreme various different flavors

PROBLEM: Sentence: 'a fire hydrant with an out of service sign and a dog in the background'. Remove all words of length '4' in the given sentence.

SOLUTION: a hydrant an out of service and a dog in the background

PROBLEM: Sentence: 'people hold colorful umbrellas as they walk through an intersection'. Remove all words of length '7' in the given sentence.

SOLUTION:
people hold colorful umbrellas as they walk an intersection