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

Input: Consider Input: Under a crushed sugar cube is added and the water is stirred conditions would a sugar cube dissolve most quickly when placed in a liter of water at room temperature.

Output: Under which conditions would a sugar cube dissolve most quickly when placed in a liter of water at room temperature?


Input: Consider Input: The heterotroph eats only or mainly plants.

Output: The heterotroph eats only or mainly what?


Input: Consider Input: The ball goes slower and slower as it goes up, stops, and then goes faster and faster as it comes down best describes the speed of a ball as it is thrown straight up into the air and comes back down.
Output: Which best describes the speed of a ball as it is thrown straight up into the air and comes back down?