Jack and Jill are neighboring gardners at their local community garden. While discussing tomatoes, Jill says, I have these magical corn beans in my car. They can grow eight ears of corn per bean in less than two weeks. "I will trade you ten of them for ten of your jumbo tomatoes" that will ripen in two weeks. Jack agrees and plants the beans. Two weeks later, Jill demands the award winning tomatoes and Jack, who has two ears of corn refuses.

a. Is there a contract?

b. Was it breached?