Mark and Luke are twin brothers. Mark is getting an A in math; Luke is getting a C. Luke thinks, "There is no point in trying, Mark is just better at math than me." Which of these statements is true?
Mark was just born smarter than Luke in math.
If Luke tries harder on assignments, he will probably keep failing.
Mark should be tutoring Luke in math.
Luke can get better at math if he challenges his brain to practice.