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.

Ex Input:
Sentence: 'a motircycle parked on a side walk near a building'. Remove all words of length '2' in the given sentence.

Ex Output:
a motircycle parked a side walk near a building


Ex Input:
Sentence: 'a man walking down a street while talking on a cell phone'. Remove all words of length '3' in the given sentence.

Ex Output:
a walking down a street while talking on a cell phone


Ex Input:
Sentence: 'a tall giraffe is crossing a street alone'. Remove all words of length '4' in the given sentence.

Ex Output:

a giraffe is crossing a street alone