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 man with a camera on a boat'. Remove all words of length '1' in the given sentence.

Ex Output:
man with camera on boat


Ex Input:
Sentence: 'several giraffe on a dirt surface surrounded by vegetation'. Remove all words of length '2' in the given sentence.

Ex Output:
several giraffe a dirt surface surrounded vegetation


Ex Input:
Sentence: 'a group of people skiing down the side of a snow covered slope'. Remove all words of length '7' in the given sentence.

Ex Output:

a group of people skiing down the side of a snow slope