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 brown bull with very long horns walking through a forest'. Remove all words of length '4' in the given sentence.

SOLUTION: a brown horns walking through a forest

PROBLEM: Sentence: 'a group of people at a table in a room'. Remove all words of length '6' in the given sentence.

SOLUTION: a group of at a table in a room

PROBLEM: Sentence: 'a fire hydrant has a hat on top of it'. Remove all words of length '4' in the given sentence.

SOLUTION:
a hydrant has a hat on top of it