input: Please answer the following: Adam and his older brother Chris were born almost 15 years apart from each other. Adam is 27 now which means Chris is 41. Lately Chris has started noticing grey hairs come in. When Adam and him play games together Chris also seems to lose more often now even though historically he has always been better. Which brother is likely experiencing a decline in strength, Adam or Chris?
++++++++++
output: Chris

input: Please answer the following: In his chemistry lab David is learning about acids. He took three solutions to identify them correctly, sample A, sample B, and sample C. Sample A is a strong acid; sample B is a weak acid; and sample C is not an acid. David needs to identify the content of each sample by learning about their attributes. Would sample C have pH higher or lower than seven?
++++++++++
output: higher

input: Please answer the following: Keith was reading a book on climate. He found an interesting table that showed the climatic conditions of the earth in two different times, time A and time B. Time A showed earth's climatic condition in the previous century. And, time B showed earth's climatic condition in the present century. Keith was amazed to see how the world has changed in just a century. Which period would be more harmful for habitat of species, time A or time B?
++++++++++
output: time B

input: Please answer the following: Harry and Kim studied ancient humans. Kim studied a 15000 year-old settlement, before humans invented agriculture, while Harry studied a 5000 year-old village. Which student studied about a village that had more crowded living conditions?
++++++++++
output:
Harry