choices.label: A B C D
choices.text: food:stomach water:drink solar energy:sun wind:kite
explanation: the "car" is powered by "gasoline". the "stomach" has the function of digesting "food", but the power of the "stomach" does not come from "food". "water" can be "drinked", but the power of "drinking" does not come from "water". "solar energy" means the thermal radiant energy of the "sun", "sun" is the energy source of "solar energy", but the energy source of the "sun" is not "solar energy". the power of the "kite" comes from the "wind".
relation: gasoline car R5.1
relation: stomach food R3.10
relation: water drink R4.2
relation: sun solar energy R3.10
relation: wind kite R5.1