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: 'three giraffes standing near a stone wall looking beyond'. Remove all words of length '8' in the given sentence.
three near a stone wall looking beyond

Sentence: 'plates with donuts on top of them next to boxes of cake'. Remove all words of length '5' in the given sentence.
plates with donuts on top of them next to of cake

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