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 group of children standing next to a soldier'. Remove all words of length '2' in the given sentence.

Ex Output:
a group children standing next a soldier


Ex Input:
Sentence: 'the lady is taking a picture while holding water'. Remove all words of length '4' in the given sentence.

Ex Output:
the is taking a picture while holding water


Ex Input:
Sentence: 'group of elephants playing around in the water'. Remove all words of length '7' in the given sentence.

Ex Output:

group of elephants around in the water