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]: A way for an octopus to evade predators is to (A) befriend the predator (B) emulate a rock (C) swim around (D) bury itself underground
[EX A]: B

[EX Q]: Consumers eat other what? (A) oxygen (B) animal toys (C) rays (D) weaker bugs
[EX A]: D

[EX Q]: What will become magnetic in an electromagnet if the battery becomes active? (A) A construction nail (B) A plastic nail (C) A nail box (D) A wooden nail
[EX A]:
A