[Q]: Matt and his brother Jesse are twins. They look almost identical. If it weren't for the fact that Jesse has a slightly darker skin complexion you wouldn't be able to tell them apart. In fact one year Matt was out in the sun for a long time and picked up a bit of a tan so they actually did look exactly alike. Will an increase in the amount of melanin produced make a person skin darker or lighter?
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[A]: darker
input: Please answer the following: Tony and Greg are brothers. They are currently in the kitchen eating a snack together. Greg is eating a stalk of celery while Tony is eating out of a bowl of candy. Tony remarks that he doesn't know how Greg enjoys such a bland snack. Greg just gives Tony an angry glare before getting up to go into the living room. On the living room table, Greg finds a glass of milk and a bowl of milk. The glass of milk has started to get thick, but the bowl of milk appears to be still fresh. Greg rolls his eyes at the mess and walks away. Which person will experience more tooth decay?
++++++++++
output: Tony
Please answer this: At a doctor's office, two women are having their annual physical done. Jessie goes in first and is told that that she should go see a dermatologist about the skin issues she is having. The doctor then sees Martha who is having a pain in her right arm and who also has hypertension. The doctor talks to Martha about her issues and then heads home for the day. Is Martha's risk for cardiovascular diseases higher or lower than Jessie's?
++++++++
Answer: higher
Problem: Bill and Bob were two brothers. they were both into physical exercise, but Bill chose weight lifting, and Bob running. Which brother had smaller muscles?

A: Bob
Problem: Given the question: Two farms were selling on Seattle markets. Berry farm, which used organic methods, no fertilizers and pesticides, and Rose farm, which used conventional agricultural methods, including fertilizers and pesticides. Which farm contributes more to the consumption of oxygen in the water?
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The answer is:
Rose
Problem: Scientists are finding more and more evidences of water in the outer space. Earth has mostly liquid water. But that's not the case with other celestial objects. Venus has some water, but it is in gaseous state. On the other hand, water in Jupiter's moon Europa is in frozen state. In Europa would the state of water in higher or lower denstiy than in Earth?

A:
lower