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 bus is stopped while three people are crossing'. Remove all words of length '1' in the given sentence.

SOLUTION: bus is stopped while three people are crossing

PROBLEM: Sentence: 'a toasted sub sandwich is next to a salad'. Remove all words of length '3' in the given sentence.

SOLUTION: a toasted sandwich is next to a salad

PROBLEM: Sentence: 'a cat sitting on the hood of a taxi parked on a snowy street'. Remove all words of length '4' in the given sentence.

SOLUTION:
a cat sitting on the of a parked on a snowy street