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: 'two birds sitting on a large rock next to a river'. Remove all words of length '5' in the given sentence.

SOLUTION: two sitting on a rock next to a

PROBLEM: Sentence: 'two cows are lying down in a field'. Remove all words of length '4' in the given sentence.

SOLUTION: two are lying in a field

PROBLEM: Sentence: 'a bunch of guys jumping in the air trying to catch a frisbee'. Remove all words of length '5' in the given sentence.

SOLUTION:
a of guys jumping in the air trying to a frisbee