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: 'little boy with a large tie holding a stuffed bear'. Remove all words of length '4' in the given sentence.

Ex Output:
little boy a large tie holding a stuffed


Ex Input:
Sentence: 'cows grazing on grass near a river surrounding a city'. Remove all words of length '11' in the given sentence.

Ex Output:

cows grazing on grass near a river a city