question: Given the fact "An example of playing a musical instrument is strumming a guitar string", what is the answer to "What is pulling your finger over a guitar string an example of?"

answer: making music with an instrument

question: Given the fact "if an object is close then that object will appear large", what is the answer to "A person approaching a dog from across a street can note that the dog"

answer: looks more sizable after approaching

question: Given the fact "humans building homes in an ecosystem causes that environment to change", what is the answer to "The everglades where nearly wiped out by"

answer: builders

question: Given the fact "when pollen sticks to a hummingbird , that pollen will move to where the hummingbird moves", what is the answer to "Flowers make themselves attractive to hummingbirds with"

answer:
an optimal angle