I’m sure he already realises this.

The criteria would likely be:
– Visual Elements
– Concept / motive
– Other unique elements like wholesomeness, humour etc.
– Stick Nodes related
– Animated well

Keep in mind there isn’t a criteria from last I checked however and it will all be judged by generally being good, this isn’t concerning either as Ralph has had experience with animations and reviewing them so it’s in good hands in terms of judgement.

Three winners.

despite the effort, at the end of the day it’s still a contest and only the best of the best entries can actually land a spot on the winners

it’s for the sake of fair game, don’t try to force suspicions or start scandals if you don’t end up getting the result you attain, everyone should be a good sport.