The Wu, Wu, Wu, Wus B-Law Survivors Bing Wu, Nick Wu, Darren Wu, and Shuzhen Wu, (no known relation) are sitting at SFSUs Cafe Rossos food court when they find concert tickets resting on a table. The tickets are to the opening night of Britney Spearss, Lindsey Lohans and Nicole Richies OUT OF REHAB, AGAIN, AND READY TO P-A-R-T-Y!!! concert. The tickets contain no name or other indication as to whose they are. Bing and Shuzhen are excited because Britney, Lindsey and Nicole are their favorite celebrities and they really want to go to the concert. And Darren is really excited because who knows, maybe his idol, Paris Hilton will be there!! Which of the following could be crucial as to whether the Wus or the restaurant would get the tickets?

a. Whether the tickets are lost or mislaid property.

b. Whether they are real or personal property.

c. Whether the tickets have already been paid for or not.

d. Whether the tickets are a treasure trove.

e. Whether they are tangible or intangible property.