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 young man holding a yellow surfboard on top of a grass field'. Remove all words of length '2' in the given sentence.
a young man holding a yellow surfboard top a grass field

Sentence: 'a group of people are working on a farm'. Remove all words of length '5' in the given sentence.
a of people are working on a farm

Sentence: 'a room with a bunk bed over a couch and a desk with computer'. Remove all words of length '8' in the given sentence.

a room with a bunk bed over a couch and a desk with