instruction:
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").
question:
Cows know there is salt in a mineral lick because (A) they have receptors on their tongue that allow them to experience spice and seasonings (B) a cow in the ocean told them it was there (C) it's on their side of the pasture's fence (D) they evolved where there were great redwood trees
answer:
A


question:
To replenish the shade in a city that had been provided by trees that were felled by a storm: (A) grow gills and live on a raft (B) use a large lawn mower (C) get out your weed whacker (D) introduce replacement timber items
answer:
D


question:
An iris may have trouble thriving in an arid location, or even in a frozen location, because it needs (A) to be dried and preserved (B) a certain climate to boom (C) a bucket of ice water (D) to be buried in snow
answer:

B