In this task, you are given a sentence in the Spanish language. Your task is to translate the Spanish sentence into the English language.
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Question: ¿Qué medida define la frecuencia de padecer cáncer de pulmón entre las personas que fuman 20 cigarros al día respecto a las que no fuman?

Answer: What measure defines the frequency of lung cancer among people who smoke 20 cigarettes a day compared to those who do not smoke ?


Question: La reacción de 3-nitrobenzaldehído con NaBH4 en metanol acuoso da

Answer: The reaction of 3-nitrobenzaldehyde with NaBH 4 in aqueous methanol gives


Question: ¿Cómo se llaman las células de las glándulas gástricas que secretan factor intrínseco?

Answer:
What are the cells of the gastric glands that secrete intrinsic factor called ?