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 dog jumping in the air with a frisbee in its mouth'. Remove all words of length '7' in the given sentence.

SOLUTION: a dog in the air with a in its mouth

PROBLEM: Sentence: 'a man is riding a motorcycle down the street'. Remove all words of length '3' in the given sentence.

SOLUTION: a is riding a motorcycle down street

PROBLEM: Sentence: 'a large building with a large clock at the top '. Remove all words of length '8' in the given sentence.

SOLUTION:
a large with a large clock at the top