Problem: Given the question: Two groups of people participated in a geriatrics study. Group D had people over 65 years old, while group Y had people in their 40's in its composition. Which group had people with weaker immune systems?
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The answer is:
Group D

Problem: Given the question: The tourist village had two beaches: Coral beach with nice sand and deeper water was preferred by families, and Surfer beach which had shallow water was a surfer's heaven. Which beach has waves with a longer wavelength?
++++++++++++++++++++++++++++++++
The answer is:
Coral beach

Problem: Given the question: Ben and Andy were two old friends. They both have high levels of cholesterol. Ben was prescribed cholesterol medication, while Andy didn't go to the doctor because he was careless. Which friend took a drug that induces the expression of low density lipoprotein (LDL) receptors in the liver?
++++++++++++++++++++++++++++++++
The answer is:
Ben