I think it matters if it is plural or singular. They both have to be plural or both have to be singular. Ex: The pig is pink. There is only one pig (singular) so it has to be is (singular) Another Ex: The pigs are pink There are more than one pig (plural) so it has to be are (plural) Hope that helps!
I believe the correct answer is the sentence about snow cones. If you would like my reasoning on why the others are incorrect please respond saying so and I will get back to you as quickly as I can. Hope this helps.
