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 most likely requires the aid of specialized tissues at the ends of stems? (A) human assisted space travel (B) the quick growth of bamboo (C) cats digging with their claws (D) the slow growth of mammals
[EX A]: B

[EX Q]: A vehicle stops when brakes are pressed because (A) the tires are being halted by pressure (B) the streets are bumpy (C) the roads have friction (D) the tires are unable to create friction
[EX A]: A

[EX Q]: Which is likely to have come from the same supplier that the florist gets their product from? (A) a laptop computer (B) a human (C) a steak (D) a durian
[EX A]:
D