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 pile of oranges sitting next to a pile of green apples'. Remove all words of length '6' in the given sentence.

SOLUTION: a pile of oranges sitting next to a pile of green

PROBLEM: Sentence: 'a man cuts things in a sink with cigarettes'. Remove all words of length '6' in the given sentence.

SOLUTION: a man cuts in a sink with cigarettes

PROBLEM: Sentence: 'the zebras are heading towards their source of food'. Remove all words of length '3' in the given sentence.

SOLUTION:
zebras heading towards their source of food