premise: Of the five Pohl children—Sara, Theo, Uma, Will, and Zoe—three are left-handed and two are right-handed. Each of the five children was born in a different one of seven calendar years, 1990 through 1996. The following conditions apply: No two left-handed children were born in consecutive years. No two right-handed children were born in consecutive years. Sara, who is left-handed, was born before Uma. Zoe was born before both Theo and Will. A left-handed child was born in 1991. Uma, who is right-handed, was born in 1993. If Theo is right-handed, then each of the following statements must be false EXCEPT:
hypothesis: Zoe was born exactly one year before Theo was born.