question: Given the fact "refracting sunlight causes light to split into different colors", what is the answer to "A rainy day leaves a lot of moisture in the air and rainbows occur"

answer: when light proceeds through

question: Given the fact "inventing a tool allows that tool to be used", what is the answer to "in order for utility of a tool to occur, what has to happen first?"

answer: it needs to be invented

question: Given the fact "ink is used for hiding from predators by octopuses", what is the answer to "A person in a suit near a sunken ship is sprayed in the face with a dark substance by"

answer: a cephalopod

question: Given the fact "as roughness of a surface increases , friction will increase", what is the answer to "A cat finds it easiest to get a grip when climbing up"

answer:
carpeted pole