Jill is walking in the street when she happens upon Jack's broken crown that has a label inside of it with the name "Jack" clearly written on it. Nevertheless, Jill keeps the crown. Later, Jack finds out about this and sues Jill to recover his crown. Will he prevail?

Timmy has a dog named Lassie whom he has owned for 5 years, and who sleeps on the floor of Timmy's room every night. One day, Lassie walks out of Timmy's house and gets lost. Wally finds Lassie. Must Wally return Lassie to Timmy?

Angelo captures a Siberian tiger and sells it to the Bronx Zoo. The Zoo puts the tiger into a cage. The tiger tries repeatedly to escape, but to no avail. Finally, one day, the tiger escapes when John, a Zoo employee comes to feed it and forgets to close the door to the cage. The tiger escapes to the countryside, where it roams until it is captured by Shiela. Under the common law, who has the right of ownership over the Tiger?