According to the passage, who is most likely to take part in the space tourism program?
Steven, a wealthy businessman who is very healthy, has a height of 178 cm and weighs 80 kg.
Mike, a millionaire, who is about 170 cm in height and weighs 98 kg. He is in good health
Julia, a model, whose height is 165 cm  and weight is 48 kg. She has heart disease.
Ivan, an office workers, is 175 cm in height and weights 70 kg. He is in excellent health condition.