The casino is open until 3am Sun Thur, and until 4am on Fri and Sat.
You can enter the casino until 4 in the morning on Fridays and Saturdays.
mnli hypothesis: You can enter the casino until 4 in the morning on Fridays and Saturdays. premise: The casino is open until 3am Sun Thur, and until 4am on Fri and Sat.