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 black and white picture of a train on the tracks'. Remove all words of length '6' in the given sentence.

SOLUTION: a black and white picture of a train on the

PROBLEM: Sentence: 'a very nice looking train in the dark'. Remove all words of length '7' in the given sentence.

SOLUTION: a very nice train in the dark

PROBLEM: Sentence: 'a herd of horned animals on a field'. Remove all words of length '5' in the given sentence.

SOLUTION:
a herd of horned animals on a