Given a scientific passage and an answer, generate a question for the given answer.

Ex Input:
Passage: According to the table, aluminum has an atomic number of 13. Therefore, every aluminum atom has 13 protons in its nucleus. Iron has an atomic number of 26. Therefore, every iron atom has 26 protons in its nucleus. Carbon has an atomic number of 6. Therefore, every carbon atom has 6 protons in its nucleus. Saylor URL: http://www. saylor. org/books. Answer: nucleus

Ex Output:
According to the table, aluminum has an atomic number of 13. therefore, every aluminum atom has 13 protons in its what?

Ex Input:
Passage: Saturated hydrocarbons contain only single bonds between carbon atoms. They are also called alkanes. They may form straight-chain, branched-chain, or cyclic molecules. Compounds with the same number of atoms but different shapes are called isomers. Answer: alkanes

Ex Output:
What is another word for saturated hydrocarbons?

Ex Input:
Passage: A: The modern kinetic theory of matter is remarkably similar to Democritus' ideas about the motion of atoms. According to this theory, atoms of matter are in constant random motion. This motion is greater in gases than in liquids, and it is greater in liquids than in solids. But even in solids, atoms are constantly vibrating in place. Answer: modern kinetic theory

Ex Output:
What theory says atoms of matter are in constant random motion?