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

Input: Consider Input: A covalent network solid is a compound in which all of the atoms are connected to one another by covalent bonds.

Output: What is a compound in which all of the atoms are connected to one another by covalent bonds?


Input: Consider Input: Children most likely inherit shape of earlobes from their parents.

Output: Which trait do children most likely inherit from their parents?


Input: Consider Input: Iguassu falls is the largest waterfall on the planet.


Output: Which waterfall series is the largest on the planet?