As you're the visitor who arrive at Black Mesa Research Facility, located in the desert of New Mexico, USA. After a while when you have saw Gus, a man in green jumpsuit, brown boots and wearing yellow hard hat. Gus drives the forklift everyday, and he keep working by lifting wooden crates while driving in sector tunnel everytimes. Once you're going to check on him, Gus suddenly stop the forklift and he turned on you and he slighty looks at you with a curious expression. What would you do?