5 week old Blue Andalusians Gender?

We have two Andalusians whose combs are much bigger than the others. Can you tell if they are rooster at this age?

 

Thanks. We were pretty sure the front two were roosters but not sure about the light Andalusian on the right.

 

If anyone has a opinion on the light Andalusian looking one on the right to tell the gender it could be hen cause sometime there cones can be medium please help

 

Thanks so much you help us out we are only keeping are smallest black rooster other two ill find homes thanks again