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.

[Q]: Sentence: 'a man sitting next to a woman on a couch is playing a video game'. Remove all words of length '2' in the given sentence.
[A]: a man sitting next a woman a couch playing a video game


[Q]: Sentence: 'boats sailing along a river next to a cliff with buildings on it'. Remove all words of length '4' in the given sentence.
[A]: boats sailing along a river to a cliff buildings on it


[Q]: Sentence: 'many cows in a pasture with trees eating grass'. Remove all words of length '7' in the given sentence.
[A]:
many cows in a with trees eating grass