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: 'business signs hanging over sidewalk in city area'. Remove all words of length '4' in the given sentence.

SOLUTION: business signs hanging sidewalk in

PROBLEM: Sentence: 'a large brick building with a tree in front'. Remove all words of length '4' in the given sentence.

SOLUTION: a large brick building a in front

PROBLEM: Sentence: 'a vase filled with purple and white flowers'. Remove all words of length '5' in the given sentence.

SOLUTION:
a vase filled with purple and flowers