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 couple of young ladies enjoy playing nintendo wii together'. Remove all words of length '5' in the given sentence.

Ex Output:
a couple of ladies playing nintendo wii together


Ex Input:
Sentence: 'a wood bench is sitting near a pole'. Remove all words of length '7' in the given sentence.

Ex Output:
a wood bench is near a pole


Ex Input:
Sentence: 'an empty train viewed from the station platform'. Remove all words of length '4' in the given sentence.

Ex Output:

an empty train viewed the station platform