In this task, you are given a multiple-choice question and you have to pick the correct option. Answer with option indexes (i.e., "A", "B", "C", and "D").

[EX Q]: Which ingredient may cause chemical change? (A) almonds (B) milk (C) citrus juice (D) olive oil
[EX A]: C

[EX Q]: A needle lined with magnets will pull north. If north is to the right and you want to go west, you'd walk (A) straight (B) left (C) backwards (D) right
[EX A]: A

[EX Q]: What happens when molten lava comes into contact with a car? (A) it freezes into a solid (B) it turns into a gas (C) it reaches its melting point (D) it flies up into the sky
[EX A]:
C