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: 'some people are sitting and playing wii in a family room'. Remove all words of length '3' in the given sentence.

Ex Output:
some people sitting playing in a family room


Ex Input:
Sentence: 'the three giraffes are standing on the grassland'. Remove all words of length '2' in the given sentence.

Ex Output:
the three giraffes are standing the grassland


Ex Input:
Sentence: 'a man walking with a herd of cattle down a street'. Remove all words of length '2' in the given sentence.

Ex Output:

a man walking with a herd cattle down a street