What did the girl melon say when the boy melon propose marriage work?

Yes but I can't elope

The girl melon says " We're too young. We can't Elope" when the boy melon proposed marriage work.

This is known as a joke. A joke can be defined as a funny story or trick, that is said or done in an attempt to make people laugh. In other words, a joke is tell in order to cause amusement or laughter, especially by telling a brief oral narrative with a climactic humorous twist.