Mary Cleaned Her Dorm Room in the Spring and Left

Multiple Choice

Mary cleaned her dorm room in the spring and left a pile of books in Sara's room. Mary told everybody that the books were a gift to Sara. Does Sara have to dispose of them?

A) Yes, because there was a present intent and delivery.
B) Yes, because they are constructively in Sara's possession.
C) No, because Sara did not accept the books.
D) No, because there was no agreement between the two parties.