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 toddler standing next to a sheep pen'. Remove all words of length '4' in the given sentence.

Ex Output:
a toddler standing to a sheep pen


Ex Input:
Sentence: 'a large kitchen with an abundance of white cabinets'. Remove all words of length '7' in the given sentence.

Ex Output:
a large with an abundance of white cabinets


Ex Input:
Sentence: 'this is a picture of a delicious looking pizza'. Remove all words of length '9' in the given sentence.

Ex Output:

this is a picture of a looking pizza