It was a group online interview with around 12 candidates and 1 HR representative present. The interview lasted for 2 hours, mostly because they explained the company and the program to us. They only asked 2 interview questions at the end of the session. Apparently, after this stage, there will be a medical check-up (MCU), followed by an offer if you are the right candidate. The HR representative was very chill and honest about the amount of work participants will face during the program.