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 small room with a bed and table'. Remove all words of length '3' in the given sentence.

SOLUTION: a small room with a table

PROBLEM: Sentence: 'a bus passes several people riding their bicycles'. Remove all words of length '3' in the given sentence.

SOLUTION:
a passes several people riding their bicycles