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 large elephant and a small elephant standing in water'. Remove all words of length '1' in the given sentence.

SOLUTION: large elephant and small elephant standing in water

PROBLEM: Sentence: 'a mountain towers over a train going down the tracks'. Remove all words of length '4' in the given sentence.

SOLUTION: a mountain towers a train going the tracks

PROBLEM: Sentence: 'the player hold his raquet in stance as he hits the tennis ball'. Remove all words of length '2' in the given sentence.

SOLUTION:
the player hold his raquet stance hits the tennis ball