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 policemen on horseback ride through a park'. Remove all words of length '9' in the given sentence.

SOLUTION: two on ride through a park

PROBLEM: Sentence: 'a photo looking up at a clock in a subway station'. Remove all words of length '5' in the given sentence.

SOLUTION: a looking up at a in a subway station

PROBLEM: Sentence: 'a man is on a path riding a horse'. Remove all words of length '4' in the given sentence.

SOLUTION:
a man is on a riding a horse