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.

Sentence: 'a man playing a video game on the nintendo wii'. Remove all words of length '3' in the given sentence.
a playing a video game on nintendo

Sentence: 'lunch today is a chicken sandwich with cole slaw'. Remove all words of length '4' in the given sentence.
lunch today is a chicken sandwich

Sentence: 'older man sitting on bench in front of water fountain'. Remove all words of length '3' in the given sentence.

older sitting on bench in front of water fountain