Larry Loses His Watch in a City Park

Larry loses his watch in a city park. Frieda finds the watch lying in the grass while strolling through the park. Frieda discovers Larry's name and address engraved on the back of the watch. Which of the following is correct (assume no city statutes exist regarding lost property) ?

A) Frieda may keep the watch because it is a misplaced property.
B) Frieda may keep the watch because it is a lost property.
C) Frieda must contact Larry and tell him that she has his watch.
D) Frieda must turn the watch over to whoever runs the park.
E) Larry may sue Freida for the watch.