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

[Q]: Lead sulfate is the white solid that forms on corroded battery terminals.
[A]: What is the white solid that forms on corroded battery terminals?


[Q]: Like skeletal muscle, cardiac muscle is striated.
[A]: Like skeletal muscle, cardiac muscle is what?


[Q]: Original atoms are called parent type of isotopes.
[A]:
Original atoms are called what type of isotopes?