Extract the answer to the following question from the movie plot. If the question isn't answerable, please output "Can't answer". Question: What else is in the safe besides cash? Title: Trespass Movie plot: The film opens with fast-talking businessman and diamond dealer Kyle Miller (Nicolas Cage) speaking to a client over the phone as he returns to his lavish mansion home, his wife Sarah (Nicole Kidman) and his teenage daughter Avery (Liana Liberato). Despite the charming facade, it is immediately clear that the family is dysfunctional and emotionally distant: Avery disrespects her parents and, despite being forbidden to do so, sneaks out of the house to go to a party with her friend Kendra. Sarah appears bored with life as a housewife and yearns for more in her marriage while Kyle seems to harbor a hidden aversion towards his wife. Just as Kyle is about to leave for a business transaction, the house is suddenly invaded by a gang of robbers masquerading as police. The thieves, consisting of leader Elias (Ben Mendelsohn), his stripper girlfriend Petal (Jordana Spiro), his younger brother Jonah (Cam Gigandet), and a large intimidating man named Ty (Dash Mihok), tell Kyle and Sarah that they have been spying on them for some time and are aware of the large amounts of cash and diamonds hidden in their home. They command Kyle to open a safe hidden in the wall but, despite the threat of a syringe containing lethal injection chemicals, he defiantly refuses, believing that he and Sarah will be killed if he simply gives in to their demands. Sarah, meanwhile, recognizes Jonah through his mask. Through a series of Jonah's flashbacks and a conversation with Elias, it is strongly implied that Sarah and Jonah had a previous affair when the latter was employed as a technician to install the house's security system. Unbeknownst to Elias, Sarah secretly steals the syringe from him during this conversation. Having left her party in disgust (after the host Jake clumsily attempted to seduce her), Avery returns home and, after a brief chase, is also captured and taken to her parents. Elias appeals to Kyle, claiming that he needs money to pay for a kidney transplantation for his dying mother and that, if Kyle refuses to comply, he...
The answer to this question is:
nothing