question: Given the fact "plants are the source of fruit", what is the answer to "What are the source of fruit?"

answer: green life

question: Given the fact "pencil lead contains mineral graphite", what is the answer to "in which one of these classes are you most likely to find graphite?"

answer: in a visual art class

question: Given the fact "a plants require water for to grow", what is the answer to "All plants require this"

answer: H2O

question: Given the fact "harming an animal species causes that animal 's population to decrease", what is the answer to "harming an animal species causes that animal 's population to do what?"

answer:
plummet