Question: How do the guys figure out what they did? If there is no answer, please output "Insufficient information to provide an answer.". Movie title: The Hangover Context: To celebrate his upcoming marriage to Tracy Garner, Doug Billings travels to Las Vegas with his best friends Phil Wenneck and Stu Price, and Tracy's brother Alan, in Doug's future father-in-law's vintage Mercedes-Benz. They spend the night at Caesars Palace, where they relax in the room before celebrating with a few drinks on the hotel rooftop. The next morning, Phil, Stu, and Alan awaken to find they have no memory of the previous night, and Doug is nowhere to be found. Stu's tooth is in Alan's pocket, their hotel suite is in a state of complete disarray, a tiger is in their bathroom, a chicken in their living room, and a baby is in the closet, whom they name "Carlos". They find Doug's mattress impaled on a statue outside of their hotel and when they ask for their Mercedes, the valet delivers an LVPD police cruiser. Using clues to retrace their steps, the trio travel to a hospital where they discover they were drugged with Rohypnol ("roofies"), causing their memory loss, and that they came to the hospital from a chapel. At the chapel, they learn that Stu married a stripper named Jade, despite being in a long-term relationship with his girlfriend Melissa. Outside the chapel, the trio is attacked by gangsters saying they are looking for someone. They flee and visit Jade, discovering that she is the mother of the baby, whose real name is Tyler. They are then arrested by the police for stealing the police cruiser. After being told that the Mercedes has been impounded, the trio is released when they unknowingly volunteer to be targets for a taser demonstration. While driving the Mercedes, they discover a naked Chinese man named Leslie Chow in the trunk. Chow jumps out of the trunk, beats the trio up with a crowbar and flees. Alan confesses that he drugged their drinks to ensure they had a good night, believing the drug to be ecstasy. Returning to their villa, they find the boxer Mike Tyson, who orders the trio to return the tiger to his mansion immediately. Stu drugs the tiger with the remaining Rohypnol, and...
A:
Insufficient information to provide an answer.