Assume that the company you work for is planning to start building houses in Antarctica in the next ten years. Your role is Technical Project Manager. A seminar will soon be organized with experts on issues related to this task. What would you like to clarify with them to start working on the project? Prepare a list of specific questions, answers to which you will need to start designing the houses and the required infrastructure.

Sasha is looking at Olga, and Olga’s looking at Andrew. Sasha has children, and Andrew does not. Is a person who has children looking at a person who does not have children? The answer options are "Yes", "No", "Cannot be determined". Explain your reasoning.

Estimate the number of mechanical weighing scales in operation in the Czech Republic. Nobody knows the exact number but try to estimate it as closely as possible. Explain your reasoning.