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 sign post with an eagle on the top in a marshy park area'. Remove all words of length '6' in the given sentence.

Ex Output:
a sign post with an eagle on the top in a park area


Ex Input:
Sentence: 'a dog that is laying down on a blanket'. Remove all words of length '4' in the given sentence.

Ex Output:
a dog is laying on a blanket


Ex Input:
Sentence: 'four white goats standing and eating in a green field'. Remove all words of length '6' in the given sentence.

Ex Output:

four white goats standing and in a green field