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 herd of sheep grazing on a green grass covered hill'. Remove all words of length '5' in the given sentence.

SOLUTION: a herd of grazing on a covered hill

PROBLEM: Sentence: 'a man stands in front of one of three toilets'. Remove all words of length '1' in the given sentence.

SOLUTION: man stands in front of one of three toilets

PROBLEM: Sentence: 'a shirtless man tossing a frisbee under his leg'. Remove all words of length '5' in the given sentence.

SOLUTION:
a shirtless man tossing a frisbee his leg