A) If Brian has a lot of money, he'll buy a bike. If he buys a bike, he'll ride it. If he rides it, he'll become athletic. If he becomes athletic, he'll be popular with the girls. B) If you don't do well at school, you'll become a bad pupil. If you become a bad pupil, you'll stay illiterate. If you stay illiterate, you'll never get a good job. If you don't get a good job, you won't have money to buy things, that you want.