John and Sven were walking down the street when they noticed a cat being chased by a dog. Eventually, the cat ran up a tree. The dog tried and tried to climb the tree, but was unsuccessful. The dog left and the cat climbed down, safe. What is the BEST question to help John and Sven answer what just happened scientifically? a) Why do dogs chase cats? b) How are dogs and cats different? c) Are cats genetically programmed to climb trees? d) What traits allow cats to climb trees better than dogs?