Farmer John sells a horse to Han Solo who wants to use the horse for polo games. Neither Farmer John nor Solo knows whether the horse will be suitable for polo, and Farmer John makes no guarantees. When Solo climbs on the horse ready to participate in the first polo match of the season, the horse spends its time eating the grass.Solo tries to return the horse to Farmer John, but Farmer John does not want the horse back.Solo sues Farmer John.

i. What is the theory of Solo's lawsuit (3 points)

ii. What is the theory of Farmer John's defense? (3 points)