Circle the letter of the sentence in each pair that would work well as the thesis statement for a college paper from five to ten pages long. Remember that a thesis should be a central idea that requires supporting evidence; it should be of adequate scope for a five-to-ten-page paper; and it should be sharply focused.

1. a. American women who expect motherhood to be completely fulfilling will be seriously disappointed when they encounter the many unpleasant realities of child care.

b. Because American culture usually depicts mother-child relationships as unambiguously positive, women who feel ambivalent about the sacrifices of motherhood can suffer from a depressing sense of isolation.

2. a. Psychologists who use their specialized knowledge to help advertisers target children should be censured by the American Psychological Association.

b. It is unethical for psychologists to help advertisers find ways to convince consumers to buy a product.