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 girl that looks sad sitting on the side of a street'. Remove all words of length '2' in the given sentence.

SOLUTION: a girl that looks sad sitting the side a street

PROBLEM: Sentence: 'a female tennis player hits a unseen ball on coart'. Remove all words of length '2' in the given sentence.

SOLUTION: a female tennis player hits a unseen ball coart

PROBLEM: Sentence: 'a bunch of bikes sitting for sale on the side walk'. Remove all words of length '3' in the given sentence.

SOLUTION:
a bunch of bikes sitting sale on side walk