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

Sentence: 'a man riding a wave on a surfboard'. Remove all words of length '3' in the given sentence.
a riding a wave on a surfboard

Sentence: 'a person cooking two pizzas on a grill'. Remove all words of length '1' in the given sentence.

person cooking two pizzas on grill