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 young lady is holding on to a street sign and smiling'. Remove all words of length '3' in the given sentence.

SOLUTION: a young lady is holding on to a street sign smiling

PROBLEM: Sentence: 'a herd of cattle standing on top of a grass covered field'. Remove all words of length '3' in the given sentence.

SOLUTION: a herd of cattle standing on of a grass covered field

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