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: 'two brown and white dogs are playing frisbee'. Remove all words of length '7' in the given sentence.

Ex Output:
two brown and white dogs are


Ex Input:
Sentence: 'a child points to ball waiting on the tee ball stand'. Remove all words of length '5' in the given sentence.

Ex Output:
a points to ball waiting on the tee ball


Ex Input:
Sentence: 'a pale giraffe next to a roadway in the grass'. Remove all words of length '3' in the given sentence.

Ex Output:

a pale giraffe next to a roadway in grass