Problem: John is comparing his medical record with his father's and son's medical records. John is 40 years old; his father is 70 years old; and his son is 10 years old. It appears that both John and his father has Retinitis. But his son does not have Retinitis. Whould Retinitis be a leading cause or minor cause of blindness for John?

A: leading cause
Problem: Given the question: Two rivers spring from the same mountain. Olt was a fast moving river, while Mures river was slow moving and deep. Both rivers are very important for the local economies. Which river had a less turbulent water?
++++++++++++++++++++++++++++++++
The answer is:
Mures
input question: Samuel fills a glass cup with water and puts it in the freezer. He leaves the cup of water overnight and when he checks in the morning the cup has shattered. Confused he fills another cup with water and just leaves in on his kitchen counter. When he checks in the morning the glass is in tact. Given a sealed bottle of water, will the bottle expand or contract when the water inside is frozen????
output answer: expand
Bob's parents were in their early 60's. He sent them to the doctor's for a routine check up. Dan, his dad, had very high cholesterol, while Mary, his mom , had normal levels in her blood. Which parent was at a higher risk of developing heart disease?
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Answer: Dan
Q: Brad and Dale went to the doctor for a check up. Brad did some blood tests and found out he has very high cholesterol levels, while his partner Dale had normal cholesterol levels, and was very healthy. Brad got scared and started worrying. Which friend was less at risk for atherosclerosis?
A: Dale
[Q]: Two bird islands experienced different levels of rainfall. West island experienced a lengthy drought that lasted several years. Many birds were affected by this drought. East island had several normal years as far as rainfall was concerned. Which island had fewer big-beaked birds survive and reproduce?
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[A]:
East