Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

Input: Consider Input: A volcano chain is formed by subduction of oceanic crust beneath a continental or oceanic plate.

Output: What kind of chain is formed by subduction of oceanic crust beneath a continental or oceanic plate?


Input: Consider Input: A 50 ml graduated cylinder of the following tools would give the most precise measurement of 15 milliliters of water.

Output: Which of the following tools would give the most precise measurement of 15 milliliters of water?


Input: Consider Input: In a grassland ecosystem, if the population of eagles suddenly decreased, the ecosystem will become overpopulated with snakes will most likely be the effect on the rest of the ecosystem.
Output: In a grassland ecosystem, if the population of eagles suddenly decreased, what will most likely be the effect on the rest of the ecosystem?