input question: Mary was from a family that forbids all vaccinations. She never got any vaccines and developed immunity the hard way by getting many respiratory diseases. Ann got all here vaccines done in time and at the proper age. Which person experienced no whooping cough????
output answer: Ann

input question: The marine biologists studied two areas of the Black Sea. Area A, situated at the mouth of the Danube River, which presented high levels of water stratification, because of the fresh water discharged by the river; and area B, situated 35 miles south, where the water was less stratified and more oxygenated. Which of the two areas was less oxygenated????
output answer: Area A

input question: David is a biologist. He was in the African savanna to study different species. Especially, he was interested in two species, rhinos and impalas. He noticed that in response to constant human encroachment of wildlife habitats, impalas have acquired some behaviors that help them and their young. Rhinos also have acquired some behaviors in response to the same threat. But their behaviors mostly failed them in that aspect. In which species the behaviors in question would be more common, rhino or impala????
output answer: impala

input question: Manny and Joe checked their cholesterol levels. Joe found out that his cholesterol levels were within normal parameters, while Manny had very high cholesterol levels and was recommended some lifestyle changes. Which person was at a lower risk of experiencing a heart attack????
output answer:
Joe