In this paragraph, which sentence states the thesis?

paragraph below

in our modern world, advertising plays a major role in our daily lives: it influences the decisions we make about our clothing, our food, and our cars. many shoppers insist on expensive name brand clothing, even if the quality is not better than the bargain priced items. because of advertising, children as young as two years old recognize and sing along with fast food melodies and beg parents for a particular brand of sweetened cereal. studies show that both men and women are greatly influenced by prime time commercials featuring automobiles.